111200022021220 has 96 divisors (see below), whose sum is σ = 265830091833600. Its totient is φ = 38677555445760.

The previous prime is 111200022021211. The next prime is 111200022021233. The reversal of 111200022021220 is 22120220002111.

It is a happy number.

111200022021220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111200022021194 and 111200022021203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326265456 + ... + 326606104.

It is an arithmetic number, because the mean of its divisors is an integer number (2769063456600).

Almost surely, 2^{111200022021220} is an apocalyptic number.

111200022021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200022021220 is an abundant number, since it is smaller than the sum of its proper divisors (154630069812380).

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

111200022021220 is a wasteful number, since it uses less digits than its factorization.

111200022021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405205 (or 405203 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111200022021220 its reverse (22120220002111), we get a palindrome (133320242023331).

The spelling of 111200022021220 in words is "one hundred eleven trillion, two hundred billion, twenty-two million, twenty-one thousand, two hundred twenty".