23112111121100 has 36 divisors (see below), whose sum is σ = 53103474144504. Its totient is φ = 8701030068480.

The previous prime is 23112111121097. The next prime is 23112111121129. The reversal of 23112111121100 is 112111121132.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6797678042 + ... + 6797681441.

It is an arithmetic number, because the mean of its divisors is an integer number (1475096504014).

Almost surely, 2^{23112111121100} is an apocalyptic number.

23112111121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112111121100 is an abundant number, since it is smaller than the sum of its proper divisors (29991363023404).

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

23112111121100 is a wasteful number, since it uses less digits than its factorization.

23112111121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13595359514 (or 13595359507 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 23112111121100 its reverse (112111121132), we get a palindrome (23224222242232).

The spelling of 23112111121100 in words is "twenty-three trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty-one thousand, one hundred".