102201222222 has 24 divisors (see below), whose sum is σ = 241566525720. Its totient is φ = 30970067280.

The previous prime is 102201222197. The next prime is 102201222229. The reversal of 102201222222 is 222222102201.

102201222222 is a `hidden beast` number, since 1 + 0 + 220 + 1 + 222 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102201222195 and 102201222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201222229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258083697 + ... + 258084092.

It is an arithmetic number, because the mean of its divisors is an integer number (10065271905).

Almost surely, 2^102201222222 is an apocalyptic number.

102201222222 is an abundant number, since it is smaller than the sum of its proper divisors (139365303498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102201222222 is a wasteful number, since it uses less digits than its factorization.

102201222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516167808 (or 516167805 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 102201222222 its reverse (222222102201), we get a palindrome (324423324423).

It can be divided in two parts, 102201 and 222222, that added together give a palindrome (324423).

The spelling of 102201222222 in words is "one hundred two billion, two hundred one million, two hundred twenty-two thousand, two hundred twenty-two".