102022212021021 has 20 divisors (see below), whose sum is σ = 152403893291232. Its totient is φ = 68014655385768.

The previous prime is 102022212020957. The next prime is 102022212021047. The reversal of 102022212021021 is 120120212220201.

It is a happy number.

102022212021021 is a `hidden beast` number, since 10 + 202 + 221 + 2 + 0 + 210 + 21 = 666.

It is not a de Polignac number, because 102022212021021 - 2⁶ = 102022212020957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102022212020985 and 102022212021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022212021061) 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, 43766056 + ... + 46038158.

Almost surely, 2^{102022212021021} is an apocalyptic number.

It is an amenable number.

102022212021021 is a deficient number, since it is larger than the sum of its proper divisors (50381681270211).

102022212021021 is an equidigital number, since it uses as much as digits as its factorization.

102022212021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826462 (or 2826453 counting only the distinct ones).

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

Adding to 102022212021021 its reverse (120120212220201), we get a palindrome (222142424241222).

The spelling of 102022212021021 in words is "one hundred two trillion, twenty-two billion, two hundred twelve million, twenty-one thousand, twenty-one".