202200222012100 has 36 divisors (see below), whose sum is σ = 472526364982084. Its totient is φ = 74658543511680.

The previous prime is 202200222012077. The next prime is 202200222012101. The reversal of 202200222012100 is 1210222002202.

It can be written as a sum of positive squares in 6 ways, for example, as 6181349557824 + 196018872454276 = 2486232^2 + 14000674^2 .

It is not an unprimeable number, because it can be changed into a prime (202200222012101) 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, 77769314859 + ... + 77769317458.

Almost surely, 2^{202200222012100} is an apocalyptic number.

202200222012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202200222012100 is an abundant number, since it is smaller than the sum of its proper divisors (270326142969984).

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

202200222012100 is a wasteful number, since it uses less digits than its factorization.

202200222012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155538632344 (or 155538632337 counting only the distinct ones).

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

Adding to 202200222012100 its reverse (1210222002202), we get a palindrome (203410444014302).

The spelling of 202200222012100 in words is "two hundred two trillion, two hundred billion, two hundred twenty-two million, twelve thousand, one hundred".