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102101010112100 = 225217232611279031
BaseRepresentation
bin10111001101110000111110…
…011100000101111001100100
3111101111202112221111201210202
4113031300332130011321210
5101340310332042041400
61001052320113010032
730335361132344126
oct2715607634057144
9441452487451722
10102101010112100
112a59488249324a
12b54ba39853918
1344c81125577cc
141b2da02943216
15bc0d355144d5
hex5cdc3e705e64

102101010112100 has 72 divisors (see below), whose sum is σ = 244791741575808. Its totient is φ = 36766808742400.

The previous prime is 102101010112007. The next prime is 102101010112141. The reversal of 102101010112100 is 1211010101201.

It is a super-3 number, since 3×1021010101121003 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1305600416 + ... + 1305678615.

It is an arithmetic number, because the mean of its divisors is an integer number (3399885299664).

Almost surely, 2102101010112100 is an apocalyptic number.

102101010112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101010112100 is an abundant number, since it is smaller than the sum of its proper divisors (142690731463708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102101010112100 is a wasteful number, since it uses less digits than its factorization.

102101010112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611279085 (or 2611279078 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102101010112100 its reverse (1211010101201), we get a palindrome (103312020213301).

The spelling of 102101010112100 in words is "one hundred two trillion, one hundred one billion, ten million, one hundred twelve thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 23 25 34 46 50 68 85 92 100 115 170 230 340 391 425 460 575 782 850 1150 1564 1700 1955 2300 3910 7820 9775 19550 39100 2611279031 5222558062 10445116124 13056395155 26112790310 44391743527 52225580620 60059417713 65281975775 88783487054 120118835426 130563951550 177566974108 221958717635 240237670852 261127903100 300297088565 443917435270 600594177130 887834870540 1021010101121 1109793588175 1201188354260 1501485442825 2042020202242 2219587176350 3002970885650 4084040404484 4439174352700 5105050505605 6005941771300 10210101011210 20420202022420 25525252528025 51050505056050 102101010112100