23112111022 has 96 divisors (see below), whose sum is σ = 47992766976. Its totient is φ = 8118411840.

The previous prime is 23112111007. The next prime is 23112111023. The reversal of 23112111022 is 22011121132.

It is a junction number, because it is equal to n+sod(n) for n = 23112110987 and 23112111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112111023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 934743 + ... + 959149.

It is an arithmetic number, because the mean of its divisors is an integer number (499924656).

Almost surely, 2^23112111022 is an apocalyptic number.

23112111022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23112111022 is an abundant number, since it is smaller than the sum of its proper divisors (24880655954).

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

23112111022 is a wasteful number, since it uses less digits than its factorization.

23112111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24494 (or 24483 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 23112111022 its reverse (22011121132), we get a palindrome (45123232154).

It can be divided in two parts, 231121110 and 22, that added together give a palindrome (231121132).

The spelling of 23112111022 in words is "twenty-three billion, one hundred twelve million, one hundred eleven thousand, twenty-two".