113223031012100 has 72 divisors (see below), whose sum is σ = 254736857964288. Its totient is φ = 43635193718400.

The previous prime is 113223031012099. The next prime is 113223031012177. The reversal of 113223031012100 is 1210130322311.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79744667 + ... + 81152066.

Almost surely, 2^{113223031012100} is an apocalyptic number.

113223031012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113223031012100 is an abundant number, since it is smaller than the sum of its proper divisors (141513826952188).

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

113223031012100 is a wasteful number, since it uses less digits than its factorization.

113223031012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160897005 (or 160896998 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113223031012100 its reverse (1210130322311), we get a palindrome (114433161334411).

The spelling of 113223031012100 in words is "one hundred thirteen trillion, two hundred twenty-three billion, thirty-one million, twelve thousand, one hundred".