102222222212201 has 36 divisors (see below), whose sum is σ = 128570884823556. Its totient is φ = 80556861672000.

The previous prime is 102222222212113. The next prime is 102222222212221. The reversal of 102222222212201 is 102212222222201.

It can be written as a sum of positive squares in 2 ways, for example, as 10360827942976 + 91861394269225 = 3218824^2 + 9584435^2 .

It is a de Polignac number, because none of the positive numbers 2^k-102222222212201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102222222212221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38858051 + ... + 41405223.

It is an arithmetic number, because the mean of its divisors is an integer number (3571413467321).

Almost surely, 2^{102222222212201} is an apocalyptic number.

It is an amenable number.

102222222212201 is a deficient number, since it is larger than the sum of its proper divisors (26348662611355).

102222222212201 is an equidigital number, since it uses as much as digits as its factorization.

102222222212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547702 (or 2547444 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 102222222212201 its reverse (102212222222201), we get a palindrome (204434444434402).

The spelling of 102222222212201 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred one".