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100232112110281 is a prime number
BaseRepresentation
bin10110110010100100011011…
…011011111111101011001001
3111010220002121020012102202221
4112302210123123333223021
5101114200331200012111
6553101555134454041
730053350114421104
oct2662443333775311
9433802536172687
10100232112110281
1129a34222271098
12b2a97a3664321
1343c0b032982b8
141aa738da5b73b
15b8c401ec8371
hex5b291b6ffac9

100232112110281 has 2 divisors, whose sum is σ = 100232112110282. Its totient is φ = 100232112110280.

The previous prime is 100232112110279. The next prime is 100232112110309. The reversal of 100232112110281 is 182011211232001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61128551325625 + 39103560784656 = 7818475^2 + 6253284^2 .

It is a cyclic number.

It is not a de Polignac number, because 100232112110281 - 21 = 100232112110279 is a prime.

It is a super-2 number, since 2×1002321121102812 (a number of 29 digits) contains 22 as substring.

Together with 100232112110279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100232112119281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50116056055140 + 50116056055141.

It is an arithmetic number, because the mean of its divisors is an integer number (50116056055141).

Almost surely, 2100232112110281 is an apocalyptic number.

It is an amenable number.

100232112110281 is a deficient number, since it is larger than the sum of its proper divisors (1).

100232112110281 is an equidigital number, since it uses as much as digits as its factorization.

100232112110281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 25.

Adding to 100232112110281 its reverse (182011211232001), we get a palindrome (282243323342282).

The spelling of 100232112110281 in words is "one hundred trillion, two hundred thirty-two billion, one hundred twelve million, one hundred ten thousand, two hundred eighty-one".