22011313113312 has 48 divisors (see below), whose sum is σ = 57779985457152. Its totient is φ = 7337067731840.

The previous prime is 22011313113259. The next prime is 22011313113437. The reversal of 22011313113312 is 21331131311022.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24392737 + ... + 25279007.

It is an arithmetic number, because the mean of its divisors is an integer number (1203749697024).

Almost surely, 2^{22011313113312} is an apocalyptic number.

It is an amenable number.

22011313113312 is an abundant number, since it is smaller than the sum of its proper divisors (35768672343840).

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

22011313113312 is a wasteful number, since it uses less digits than its factorization.

22011313113312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144991 (or 1144983 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 22011313113312 its reverse (21331131311022), we get a palindrome (43342444424334).

The spelling of 22011313113312 in words is "twenty-two trillion, eleven billion, three hundred thirteen million, one hundred thirteen thousand, three hundred twelve".