232100003121 has 16 divisors (see below), whose sum is σ = 353773555584. Its totient is φ = 132592063104.

The previous prime is 232100003101. The next prime is 232100003153. The reversal of 232100003121 is 121300001232.

It is not a de Polignac number, because 232100003121 - 2⁷ = 232100002993 is a prime.

It is a super-2 number, since 2×232100003121² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232100003121.

It is not an unprimeable number, because it can be changed into a prime (232100003101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1443060 + ... + 1595813.

It is an arithmetic number, because the mean of its divisors is an integer number (22110847224).

Almost surely, 2^232100003121 is an apocalyptic number.

232100003121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232100003121 is a deficient number, since it is larger than the sum of its proper divisors (121673552463).

232100003121 is a wasteful number, since it uses less digits than its factorization.

232100003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042520.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 232100003121 its reverse (121300001232), we get a palindrome (353400004353).

The spelling of 232100003121 in words is "two hundred thirty-two billion, one hundred million, three thousand, one hundred twenty-one".