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102101123321131 = 117322118254859
BaseRepresentation
bin10111001101110001000101…
…001011111100110100101011
3111101111202211211112100101211
4113031301011023330310223
5101340311100032234011
61001052335235253551
730335364005532454
oct2715610513746453
9441452754470354
10102101123321131
112a594930386930
12b54ba6b74a2b7
1344c812cb446bc
141b2da139b212b
15bc0d40427b21
hex5cdc452fcd2b

102101123321131 has 24 divisors (see below), whose sum is σ = 113464965827520. Its totient is φ = 91113820660800.

The previous prime is 102101123321123. The next prime is 102101123321233. The reversal of 102101123321131 is 131123321101201.

It is not a de Polignac number, because 102101123321131 - 23 = 102101123321123 is a prime.

It is a super-2 number, since 2×1021011233211312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102101123321531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8241180 + ... + 16496038.

It is an arithmetic number, because the mean of its divisors is an integer number (4727706909480).

Almost surely, 2102101123321131 is an apocalyptic number.

102101123321131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102101123321131 is a deficient number, since it is larger than the sum of its proper divisors (11363842506389).

102101123321131 is an equidigital number, since it uses as much as digits as its factorization.

102101123321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8255227 (or 8255154 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 102101123321131 its reverse (131123321101201), we get a palindrome (233224444422332).

The spelling of 102101123321131 in words is "one hundred two trillion, one hundred one billion, one hundred twenty-three million, three hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 11 73 211 803 2321 5329 15403 58619 169433 1124419 8254859 12368609 90803449 602604707 1741775249 6628651777 19159527739 43990143611 127149593177 483891579721 1398645524947 9281920301921 102101123321131