222221002001112 has 96 divisors (see below), whose sum is σ = 602056063889280. Its totient is φ = 74048131192320.

The previous prime is 222221002001101. The next prime is 222221002001209. The reversal of 222221002001112 is 211100200122222.

It is a happy number.

222221002001112 is a `hidden beast` number, since 222 + 221 + 0 + 0 + 200 + 11 + 12 = 666.

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 23 ways as a sum of consecutive naturals, for example, 2836547062 + ... + 2836625402.

It is an arithmetic number, because the mean of its divisors is an integer number (6271417332180).

Almost surely, 2^{222221002001112} is an apocalyptic number.

It is an amenable number.

222221002001112 is an abundant number, since it is smaller than the sum of its proper divisors (379835061888168).

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

222221002001112 is a wasteful number, since it uses less digits than its factorization.

222221002001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91433 (or 91426 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222221002001112 its reverse (211100200122222), we get a palindrome (433321202123334).

The spelling of 222221002001112 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two million, one thousand, one hundred twelve".