23100032101221 has 36 divisors (see below), whose sum is σ = 33716959508544. Its totient is φ = 15240030026400.

The previous prime is 23100032101217. The next prime is 23100032101231. The reversal of 23100032101221 is 12210123000132.

23100032101221 is a `hidden beast` number, since 2 + 310 + 0 + 0 + 32 + 101 + 221 = 666.

It is not a de Polignac number, because 23100032101221 - 2² = 23100032101217 is a prime.

It is a super-2 number, since 2×23100032101221² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23100032101194 and 23100032101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100032101231) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 189340986 + ... + 189462948.

Almost surely, 2^{23100032101221} is an apocalyptic number.

It is an amenable number.

23100032101221 is a deficient number, since it is larger than the sum of its proper divisors (10616927407323).

23100032101221 is a wasteful number, since it uses less digits than its factorization.

23100032101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124234 (or 124130 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23100032101221 its reverse (12210123000132), we get a palindrome (35310155101353).

The spelling of 23100032101221 in words is "twenty-three trillion, one hundred billion, thirty-two million, one hundred one thousand, two hundred twenty-one".