202221222100100 has 36 divisors (see below), whose sum is σ = 501508630809984. Its totient is φ = 69332990434080.

The previous prime is 202221222100049. The next prime is 202221222100129. The reversal of 202221222100100 is 1001222122202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144443729372 + ... + 144443730771.

Almost surely, 2^{202221222100100} is an apocalyptic number.

202221222100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221222100100 is an abundant number, since it is smaller than the sum of its proper divisors (299287408709884).

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

202221222100100 is a wasteful number, since it uses less digits than its factorization.

202221222100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288887460164 (or 288887460157 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202221222100100 its reverse (1001222122202), we get a palindrome (203222444222302).

The spelling of 202221222100100 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, one hundred".