113010101220 has 72 divisors (see below), whose sum is σ = 325211773824. Its totient is φ = 29321518464.

The previous prime is 113010101201. The next prime is 113010101263. The reversal of 113010101220 is 22101010311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 113010101196 and 113010101205.

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, 605772 + ... + 770051.

It is an arithmetic number, because the mean of its divisors is an integer number (4516830192).

Almost surely, 2^113010101220 is an apocalyptic number.

113010101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113010101220 is an abundant number, since it is smaller than the sum of its proper divisors (212201672604).

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

113010101220 is a wasteful number, since it uses less digits than its factorization.

113010101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375909 (or 1375870 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 113010101220 its reverse (22101010311), we get a palindrome (135111111531).

Subtracting from 113010101220 its reverse (22101010311), we obtain a palindrome (90909090909).

The spelling of 113010101220 in words is "one hundred thirteen billion, ten million, one hundred one thousand, two hundred twenty".