200111022120 has 32 divisors (see below), whose sum is σ = 600333066720. Its totient is φ = 53362939200.

The previous prime is 200111022119. The next prime is 200111022151. The reversal of 200111022120 is 21220111002.

It is a super-2 number, since 2×200111022120² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 200111022096 and 200111022105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833795806 + ... + 833796045.

It is an arithmetic number, because the mean of its divisors is an integer number (18760408335).

Almost surely, 2^200111022120 is an apocalyptic number.

200111022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200111022120 is an abundant number, since it is smaller than the sum of its proper divisors (400222044600).

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

200111022120 is a wasteful number, since it uses less digits than its factorization.

200111022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667591865 (or 1667591861 counting only the distinct ones).

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

Adding to 200111022120 its reverse (21220111002), we get a palindrome (221331133122).

The spelling of 200111022120 in words is "two hundred billion, one hundred eleven million, twenty-two thousand, one hundred twenty".