102200211222021 has 20 divisors (see below), whose sum is σ = 166548492363264. Its totient is φ = 61939521952200.

The previous prime is 102200211222001. The next prime is 102200211222059. The reversal of 102200211222021 is 120222112002201.

It is a happy number.

102200211222021 is a `hidden beast` number, since 10 + 2 + 200 + 211 + 2 + 220 + 21 = 666.

It is not a de Polignac number, because 102200211222021 - 2⁷ = 102200211221893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102200211221985 and 102200211222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102200211222001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57351408325 + ... + 57351410106.

Almost surely, 2^{102200211222021} is an apocalyptic number.

102200211222021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102200211222021 is a deficient number, since it is larger than the sum of its proper divisors (64348281141243).

102200211222021 is a wasteful number, since it uses less digits than its factorization.

102200211222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114702818454 (or 114702818445 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102200211222021 its reverse (120222112002201), we get a palindrome (222422323224222).

The spelling of 102200211222021 in words is "one hundred two trillion, two hundred billion, two hundred eleven million, two hundred twenty-two thousand, twenty-one".