202200220200121 has 96 divisors (see below), whose sum is σ = 249683573551104. Its totient is φ = 162477231523200.

The previous prime is 202200220200113. The next prime is 202200220200193. The reversal of 202200220200121 is 121002022002202.

It is not a de Polignac number, because 202200220200121 - 2³ = 202200220200113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202200220200095 and 202200220200104.

It is not an unprimeable number, because it can be changed into a prime (202200220207121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1804223730 + ... + 1804335796.

It is an arithmetic number, because the mean of its divisors is an integer number (2600870557824).

Almost surely, 2^{202200220200121} is an apocalyptic number.

It is an amenable number.

202200220200121 is a deficient number, since it is larger than the sum of its proper divisors (47483353350983).

202200220200121 is a wasteful number, since it uses less digits than its factorization.

202200220200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112523 (or 112512 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202200220200121 its reverse (121002022002202), we get a palindrome (323202242202323).

The spelling of 202200220200121 in words is "two hundred two trillion, two hundred billion, two hundred twenty million, two hundred thousand, one hundred twenty-one".