23111002331022 has 32 divisors (see below), whose sum is σ = 48687818065920. Its totient is φ = 7293249815040.

The previous prime is 23111002330993. The next prime is 23111002331029. The reversal of 23111002331022 is 22013320011132.

It is a super-4 number, since 4×23111002331022⁴ (a number of 55 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23111002331022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111002331029) 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, 68740563 + ... + 69075950.

It is an arithmetic number, because the mean of its divisors is an integer number (1521494314560).

Almost surely, 2^{23111002331022} is an apocalyptic number.

23111002331022 is an abundant number, since it is smaller than the sum of its proper divisors (25576815734898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23111002331022 is a wasteful number, since it uses less digits than its factorization.

23111002331022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137818008.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23111002331022 its reverse (22013320011132), we get a palindrome (45124322342154).

The spelling of 23111002331022 in words is "twenty-three trillion, one hundred eleven billion, two million, three hundred thirty-one thousand, twenty-two".