122111002020200 has 48 divisors (see below), whose sum is σ = 283914209880780. Its totient is φ = 48843346152960.

The previous prime is 122111002020193. The next prime is 122111002020209. The reversal of 122111002020200 is 2020200111221.

It can be written as a sum of positive squares in 6 ways, for example, as 65189379112036 + 56921622908164 = 8073994^2 + 7544642^2 .

It is a super-2 number, since 2×122111002020200² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111002020209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2727044 + ... + 15863756.

Almost surely, 2^{122111002020200} is an apocalyptic number.

122111002020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122111002020200 is an abundant number, since it is smaller than the sum of its proper divisors (161803207860580).

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

122111002020200 is a wasteful number, since it uses less digits than its factorization.

122111002020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13183206 (or 13183197 counting only the distinct ones).

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

Adding to 122111002020200 its reverse (2020200111221), we get a palindrome (124131202131421).

The spelling of 122111002020200 in words is "one hundred twenty-two trillion, one hundred eleven billion, two million, twenty thousand, two hundred".