10233121311 has 20 divisors (see below), whose sum is σ = 17470303312. Its totient is φ = 5847497568.

The previous prime is 10233121309. The next prime is 10233121319. The reversal of 10233121311 is 11312133201.

10233121311 is a `hidden beast` number, since 1 + 0 + 2 + 331 + 21 + 311 = 666.

It is not a de Polignac number, because 10233121311 - 2¹ = 10233121309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10233121319) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9023350 + ... + 9024483.

Almost surely, 2^10233121311 is an apocalyptic number.

10233121311 is a deficient number, since it is larger than the sum of its proper divisors (7237182001).

10233121311 is an equidigital number, since it uses as much as digits as its factorization.

10233121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18047852 (or 18047843 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10233121311 its reverse (11312133201), we get a palindrome (21545254512).

The spelling of 10233121311 in words is "ten billion, two hundred thirty-three million, one hundred twenty-one thousand, three hundred eleven".