222012112011102 has 120 divisors (see below), whose sum is σ = 587328621823944. Its totient is φ = 62485285107168.

The previous prime is 222012112011073. The next prime is 222012112011119. The reversal of 222012112011102 is 201110211210222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 208186573 + ... + 209250264.

Almost surely, 2^{222012112011102} is an apocalyptic number.

222012112011102 is an abundant number, since it is smaller than the sum of its proper divisors (365316509812842).

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

222012112011102 is a wasteful number, since it uses less digits than its factorization.

222012112011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417436932 (or 417436916 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222012112011102 its reverse (201110211210222), we get a palindrome (423122323221324).

The spelling of 222012112011102 in words is "two hundred twenty-two trillion, twelve billion, one hundred twelve million, eleven thousand, one hundred two".