122111000200 has 96 divisors (see below), whose sum is σ = 324546192000. Its totient is φ = 41856330240.

The previous prime is 122111000197. The next prime is 122111000233. The reversal of 122111000200 is 2000111221.

It is a super-2 number, since 2×122111000200² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7620597 + ... + 7636603.

It is an arithmetic number, because the mean of its divisors is an integer number (3380689500).

Almost surely, 2^122111000200 is an apocalyptic number.

122111000200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111000200 is an abundant number, since it is smaller than the sum of its proper divisors (202435191800).

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

122111000200 is a wasteful number, since it uses less digits than its factorization.

122111000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21479 (or 21470 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122111000200 its reverse (2000111221), we get a palindrome (124111111421).

The spelling of 122111000200 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred", and thus it is an aban number.