23021011211 has 24 divisors (see below), whose sum is σ = 26677938000. Its totient is φ = 19795406400.

The previous prime is 23021011201. The next prime is 23021011231. The reversal of 23021011211 is 11211012032.

It is not a de Polignac number, because 23021011211 - 2¹⁸ = 23020749067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23021011201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1512065 + ... + 1527213.

It is an arithmetic number, because the mean of its divisors is an integer number (1111580750).

Almost surely, 2^23021011211 is an apocalyptic number.

23021011211 is a deficient number, since it is larger than the sum of its proper divisors (3656926789).

23021011211 is a wasteful number, since it uses less digits than its factorization.

23021011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851 (or 15840 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23021011211 its reverse (11211012032), we get a palindrome (34232023243).

The spelling of 23021011211 in words is "twenty-three billion, twenty-one million, eleven thousand, two hundred eleven".