20221022102121 has 8 divisors (see below), whose sum is σ = 29957069780960. Its totient is φ = 13480681401396.

The previous prime is 20221022102101. The next prime is 20221022102131. The reversal of 20221022102121 is 12120122012202.

It is a happy number.

20221022102121 is a `hidden beast` number, since 20 + 2 + 210 + 221 + 0 + 212 + 1 = 666.

It is not a de Polignac number, because 20221022102121 - 2⁷ = 20221022101993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20221022102094 and 20221022102103.

It is not an unprimeable number, because it can be changed into a prime (20221022102101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374463372235 + ... + 374463372288.

It is an arithmetic number, because the mean of its divisors is an integer number (3744633722620).

Almost surely, 2^{20221022102121} is an apocalyptic number.

It is an amenable number.

20221022102121 is a deficient number, since it is larger than the sum of its proper divisors (9736047678839).

20221022102121 is an equidigital number, since it uses as much as digits as its factorization.

20221022102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748926744532 (or 748926744526 counting only the distinct ones).

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

Adding to 20221022102121 its reverse (12120122012202), we get a palindrome (32341144114323).

The spelling of 20221022102121 in words is "twenty trillion, two hundred twenty-one billion, twenty-two million, one hundred two thousand, one hundred twenty-one".