113212011111320 has 64 divisors (see below), whose sum is σ = 277886100522240. Its totient is φ = 41167696892800.

The previous prime is 113212011111301. The next prime is 113212011111379. The reversal of 113212011111320 is 23111110212311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 113212011111292 and 113212011111301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62905175 + ... + 64679865.

It is an arithmetic number, because the mean of its divisors is an integer number (4341970320660).

Almost surely, 2^{113212011111320} is an apocalyptic number.

113212011111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113212011111320 is an abundant number, since it is smaller than the sum of its proper divisors (164674089410920).

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

113212011111320 is a wasteful number, since it uses less digits than its factorization.

113212011111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919696 (or 1919692 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 113212011111320 its reverse (23111110212311), we get a palindrome (136323121323631).

The spelling of 113212011111320 in words is "one hundred thirteen trillion, two hundred twelve billion, eleven million, one hundred eleven thousand, three hundred twenty".