102222102021 has 48 divisors (see below), whose sum is σ = 148702825152. Its totient is φ = 62431948800.

The previous prime is 102222102019. The next prime is 102222102023. The reversal of 102222102021 is 120201222201.

It is an interprime number because it is at equal distance from previous prime (102222102019) and next prime (102222102023).

It is not a de Polignac number, because 102222102021 - 2¹ = 102222102019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102222102023) 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, 52936426 + ... + 52938356.

It is an arithmetic number, because the mean of its divisors is an integer number (3097975524).

Almost surely, 2^102222102021 is an apocalyptic number.

It is an amenable number.

102222102021 is a deficient number, since it is larger than the sum of its proper divisors (46480723131).

102222102021 is a wasteful number, since it uses less digits than its factorization.

102222102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2681 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102222102021 its reverse (120201222201), we get a palindrome (222423324222).

The spelling of 102222102021 in words is "one hundred two billion, two hundred twenty-two million, one hundred two thousand, twenty-one".