202202111012100 has 72 divisors (see below), whose sum is σ = 598643645292000. Its totient is φ = 52666596353280.

The previous prime is 202202111011939. The next prime is 202202111012191. The reversal of 202202111012100 is 1210111202202.

It is a super-2 number, since 2×202202111012100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202202111012100.

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, 7837278225 + ... + 7837304024.

It is an arithmetic number, because the mean of its divisors is an integer number (8314495073500).

Almost surely, 2^{202202111012100} is an apocalyptic number.

202202111012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202202111012100 is an abundant number, since it is smaller than the sum of its proper divisors (396441534279900).

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

202202111012100 is a wasteful number, since it uses less digits than its factorization.

202202111012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15674582309 (or 15674582302 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202202111012100 its reverse (1210111202202), we get a palindrome (203412222214302).

The spelling of 202202111012100 in words is "two hundred two trillion, two hundred two billion, one hundred eleven million, twelve thousand, one hundred".