23201121011207 has 16 divisors (see below), whose sum is σ = 24179593215360. Its totient is φ = 22243761540000.

The previous prime is 23201121011197. The next prime is 23201121011261. The reversal of 23201121011207 is 70211012110232.

It is a happy number.

It is not a de Polignac number, because 23201121011207 - 2⁴ = 23201121011191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201121013207) 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, 5240669 + ... + 8594582.

It is an arithmetic number, because the mean of its divisors is an integer number (1511224575960).

Almost surely, 2^{23201121011207} is an apocalyptic number.

23201121011207 is a deficient number, since it is larger than the sum of its proper divisors (978472204153).

23201121011207 is a wasteful number, since it uses less digits than its factorization.

23201121011207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13836014.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 23201121011207 its reverse (70211012110232), we get a palindrome (93412133121439).

The spelling of 23201121011207 in words is "twenty-three trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, two hundred seven".