102222122001021 has 48 divisors (see below), whose sum is σ = 162149688410112. Its totient is φ = 61540366356000.

The previous prime is 102222122001019. The next prime is 102222122001089. The reversal of 102222122001021 is 120100221222201.

It is a happy number.

102222122001021 is a `hidden beast` number, since 1 + 0 + 222 + 212 + 200 + 10 + 21 = 666.

It is not a de Polignac number, because 102222122001021 - 2¹ = 102222122001019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102222122000985 and 102222122001003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222122001091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 496547716 + ... + 496753538.

It is an arithmetic number, because the mean of its divisors is an integer number (3378118508544).

Almost surely, 2^{102222122001021} is an apocalyptic number.

102222122001021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102222122001021 is a deficient number, since it is larger than the sum of its proper divisors (59927566409091).

102222122001021 is a wasteful number, since it uses less digits than its factorization.

102222122001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239214 (or 239211 counting only the distinct ones).

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

Adding to 102222122001021 its reverse (120100221222201), we get a palindrome (222322343223222).

The spelling of 102222122001021 in words is "one hundred two trillion, two hundred twenty-two billion, one hundred twenty-two million, one thousand, twenty-one".