111200122220 has 48 divisors (see below), whose sum is σ = 269734637088. Its totient is φ = 38057794560.

The previous prime is 111200122213. The next prime is 111200122259. The reversal of 111200122220 is 22221002111.

It is a junction number, because it is equal to n+sod(n) for n = 111200122195 and 111200122204.

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, 14862587 + ... + 14870066.

It is an arithmetic number, because the mean of its divisors is an integer number (5619471606).

Almost surely, 2^111200122220 is an apocalyptic number.

111200122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200122220 is an abundant number, since it is smaller than the sum of its proper divisors (158534514868).

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

111200122220 is a wasteful number, since it uses less digits than its factorization.

111200122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29732690 (or 29732688 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111200122220 its reverse (22221002111), we get a palindrome (133421124331).

The spelling of 111200122220 in words is "one hundred eleven billion, two hundred million, one hundred twenty-two thousand, two hundred twenty".