202200122120 has 16 divisors (see below), whose sum is σ = 454950274860. Its totient is φ = 80880048832.

The previous prime is 202200122099. The next prime is 202200122141. The reversal of 202200122120 is 21221002202.

It is an interprime number because it is at equal distance from previous prime (202200122099) and next prime (202200122141).

It can be written as a sum of positive squares in 2 ways, for example, as 201110990116 + 1089132004 = 448454^2 + 33002^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202200122095 and 202200122104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527501487 + ... + 2527501566.

Almost surely, 2^202200122120 is an apocalyptic number.

202200122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202200122120 is an abundant number, since it is smaller than the sum of its proper divisors (252750152740).

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

202200122120 is a wasteful number, since it uses less digits than its factorization.

202200122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055003064 (or 5055003060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202200122120 its reverse (21221002202), we get a palindrome (223421124322).

The spelling of 202200122120 in words is "two hundred two billion, two hundred million, one hundred twenty-two thousand, one hundred twenty".