23112211213120 has 56 divisors (see below), whose sum is σ = 55202224965408. Its totient is φ = 9216954278400.

The previous prime is 23112211213093. The next prime is 23112211213151. The reversal of 23112211213120 is 2131211221132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23112211213091 and 23112211213100.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 108996286 + ... + 109208125.

Almost surely, 2^{23112211213120} is an apocalyptic number.

23112211213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112211213120 is an abundant number, since it is smaller than the sum of its proper divisors (32090013752288).

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

23112211213120 is a wasteful number, since it uses less digits than its factorization.

23112211213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218204759 (or 218204749 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 23112211213120 its reverse (2131211221132), we get a palindrome (25243422434252).

The spelling of 23112211213120 in words is "twenty-three trillion, one hundred twelve billion, two hundred eleven million, two hundred thirteen thousand, one hundred twenty".