102022112222121 has 96 divisors (see below), whose sum is σ = 168806695680000. Its totient is φ = 53665012836864.

The previous prime is 102022112222071. The next prime is 102022112222131. The reversal of 102022112222121 is 121222211220201.

It is not a de Polignac number, because 102022112222121 - 2⁷ = 102022112221993 is a prime.

It is a super-2 number, since 2×102022112222121² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (102022112222131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5398271530 + ... + 5398290428.

It is an arithmetic number, because the mean of its divisors is an integer number (1758403080000).

Almost surely, 2^{102022112222121} is an apocalyptic number.

It is an amenable number.

102022112222121 is a deficient number, since it is larger than the sum of its proper divisors (66784583457879).

102022112222121 is a wasteful number, since it uses less digits than its factorization.

102022112222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23063 (or 23050 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102022112222121 its reverse (121222211220201), we get a palindrome (223244323442322).

The spelling of 102022112222121 in words is "one hundred two trillion, twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-one".