200111220972 has 72 divisors (see below), whose sum is σ = 544803657216. Its totient is φ = 61566303744.

The previous prime is 200111220943. The next prime is 200111220973. The reversal of 200111220972 is 279022111002.

It is a super-2 number, since 2×200111220972² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200111220973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6633828 + ... + 6663924.

Almost surely, 2^200111220972 is an apocalyptic number.

It is an amenable number.

200111220972 is an abundant number, since it is smaller than the sum of its proper divisors (344692436244).

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

200111220972 is a wasteful number, since it uses less digits than its factorization.

200111220972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44327 (or 44322 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

Adding to 200111220972 its reverse (279022111002), we get a palindrome (479133331974).

It can be divided in two parts, 2001112 and 20972, that added together give a square (2022084 = 1422²).

The spelling of 200111220972 in words is "two hundred billion, one hundred eleven million, two hundred twenty thousand, nine hundred seventy-two".