222112100102 has 4 divisors (see below), whose sum is σ = 333168150156. Its totient is φ = 111056050050.

The previous prime is 222112100083. The next prime is 222112100107. The reversal of 222112100102 is 201001211222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222112100107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55528025024 + ... + 55528025027.

It is an arithmetic number, because the mean of its divisors is an integer number (83292037539).

Almost surely, 2^222112100102 is an apocalyptic number.

222112100102 is a deficient number, since it is larger than the sum of its proper divisors (111056050054).

222112100102 is a wasteful number, since it uses less digits than its factorization.

222112100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111056050053.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222112100102 its reverse (201001211222), we get a palindrome (423113311324).

The spelling of 222112100102 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred thousand, one hundred two".