23111011032212 has 24 divisors (see below), whose sum is σ = 40811353716672. Its totient is φ = 11450670224000.

The previous prime is 23111011032211. The next prime is 23111011032289. The reversal of 23111011032212 is 21223011011132.

It is a super-2 number, since 2×23111011032212² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111011032211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3731864 + ... + 7755567.

It is an arithmetic number, because the mean of its divisors is an integer number (1700473071528).

Almost surely, 2^{23111011032212} is an apocalyptic number.

It is an amenable number.

23111011032212 is a deficient number, since it is larger than the sum of its proper divisors (17700342684460).

23111011032212 is a wasteful number, since it uses less digits than its factorization.

23111011032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11491999 (or 11491997 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 23111011032212 its reverse (21223011011132), we get a palindrome (44334022043344).

The spelling of 23111011032212 in words is "twenty-three trillion, one hundred eleven billion, eleven million, thirty-two thousand, two hundred twelve".