100251121233 has 32 divisors (see below), whose sum is σ = 137462572800. Its totient is φ = 64969963520.

The previous prime is 100251121151. The next prime is 100251121241. The reversal of 100251121233 is 332121152001.

It is a cyclic number.

It is not a de Polignac number, because 100251121233 - 2¹² = 100251117137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100251121283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4336441 + ... + 4359497.

It is an arithmetic number, because the mean of its divisors is an integer number (4295705400).

Almost surely, 2^100251121233 is an apocalyptic number.

It is an amenable number.

100251121233 is a deficient number, since it is larger than the sum of its proper divisors (37211451567).

100251121233 is a wasteful number, since it uses less digits than its factorization.

100251121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23417.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 100251121233 its reverse (332121152001), we get a palindrome (432372273234).

The spelling of 100251121233 in words is "one hundred billion, two hundred fifty-one million, one hundred twenty-one thousand, two hundred thirty-three".