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100112221012120 = 23510891229804933
BaseRepresentation
bin10110110000110100110001…
…010111110000000010011000
3111010110122010210221121111221
4112300310301113300002120
5101110214312034341440
6552530530332301424
730041604110044552
oct2660646127600230
9433418123847457
10100112221012120
1129998399928599
12b28a504311874
1343b27078204b5
141aa1658d824d2
15b89236884d4a
hex5b0d315f0098

100112221012120 has 32 divisors (see below), whose sum is σ = 225273180701520. Its totient is φ = 40041211351680.

The previous prime is 100112221012079. The next prime is 100112221012123. The reversal of 100112221012120 is 21210122211001.

It is a super-2 number, since 2×1001122210121202 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100112221012094 and 100112221012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112221012123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114466827 + ... + 115338106.

Almost surely, 2100112221012120 is an apocalyptic number.

100112221012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100112221012120 is an abundant number, since it is smaller than the sum of its proper divisors (125160959689400).

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

100112221012120 is a wasteful number, since it uses less digits than its factorization.

100112221012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229815835 (or 229815831 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100112221012120 its reverse (21210122211001), we get a palindrome (121322343223121).

The spelling of 100112221012120 in words is "one hundred trillion, one hundred twelve billion, two hundred twenty-one million, twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 10891 21782 43564 54455 87128 108910 217820 435640 229804933 459609866 919219732 1149024665 1838439464 2298049330 4596098660 9192197320 2502805525303 5005611050606 10011222101212 12514027626515 20022444202424 25028055253030 50056110506060 100112221012120