220111021200 has 240 divisors, whose sum is σ = 840852182016. Its totient is φ = 48123609600.

The previous prime is 220111021183. The next prime is 220111021279. The reversal of 220111021200 is 2120111022.

220111021200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 376446 + ... + 762845.

Almost surely, 2^220111021200 is an apocalyptic number.

220111021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220111021200 is an abundant number, since it is smaller than the sum of its proper divisors (620741160816).

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

220111021200 is a wasteful number, since it uses less digits than its factorization.

220111021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139342 (or 1139331 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220111021200 its reverse (2120111022), we get a palindrome (222231132222).

The spelling of 220111021200 in words is "two hundred twenty billion, one hundred eleven million, twenty-one thousand, two hundred".