202221010212100 has 72 divisors (see below), whose sum is σ = 478717100019648. Its totient is φ = 73534172764800.

The previous prime is 202221010212077. The next prime is 202221010212101. The reversal of 202221010212100 is 1212010122202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202221010212101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115031334 + ... + 116776066.

It is an arithmetic number, because the mean of its divisors is an integer number (6648848611384).

Almost surely, 2^{202221010212100} is an apocalyptic number.

202221010212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221010212100 is an abundant number, since it is smaller than the sum of its proper divisors (276496089807548).

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

202221010212100 is a wasteful number, since it uses less digits than its factorization.

202221010212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850125 (or 1850118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202221010212100 its reverse (1212010122202), we get a palindrome (203433020334302).

It can be divided in two parts, 2022210102 and 12100, that added together give a palindrome (2022222202).

The spelling of 202221010212100 in words is "two hundred two trillion, two hundred twenty-one billion, ten million, two hundred twelve thousand, one hundred".