222123102102 has 24 divisors (see below), whose sum is σ = 525018241800. Its totient is φ = 67310030880.

The previous prime is 222123102101. The next prime is 222123102109. The reversal of 222123102102 is 201201321222.

222123102102 is a `hidden beast` number, since 2 + 221 + 231 + 0 + 210 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222123102101) 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, 560916727 + ... + 560917122.

It is an arithmetic number, because the mean of its divisors is an integer number (21875760075).

Almost surely, 2^222123102102 is an apocalyptic number.

222123102102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222123102102 is an abundant number, since it is smaller than the sum of its proper divisors (302895139698).

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

222123102102 is a wasteful number, since it uses less digits than its factorization.

222123102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121833868 (or 1121833865 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222123102102 its reverse (201201321222), we get a palindrome (423324423324).

The spelling of 222123102102 in words is "two hundred twenty-two billion, one hundred twenty-three million, one hundred two thousand, one hundred two".