11112101313220 has 12 divisors (see below), whose sum is σ = 23335412757804. Its totient is φ = 4444840525280.

The previous prime is 11112101313217. The next prime is 11112101313227. The reversal of 11112101313220 is 2231310121111.

It can be written as a sum of positive squares in 2 ways, for example, as 7665278853376 + 3446822459844 = 2768624^2 + 1856562^2 .

It is not an unprimeable number, because it can be changed into a prime (11112101313227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277802532811 + ... + 277802532850.

It is an arithmetic number, because the mean of its divisors is an integer number (1944617729817).

Almost surely, 2^{11112101313220} is an apocalyptic number.

11112101313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112101313220 is an abundant number, since it is smaller than the sum of its proper divisors (12223311444584).

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

11112101313220 is a wasteful number, since it uses less digits than its factorization.

11112101313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555605065670 (or 555605065668 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11112101313220 its reverse (2231310121111), we get a palindrome (13343411434331).

The spelling of 11112101313220 in words is "eleven trillion, one hundred twelve billion, one hundred one million, three hundred thirteen thousand, two hundred twenty".