222211002021112 has 64 divisors (see below), whose sum is σ = 474949443024000. Its totient is φ = 96618286387584.

The previous prime is 222211002021101. The next prime is 222211002021139. The reversal of 222211002021112 is 211120200112222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 222211002021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313766298 + ... + 314473705.

It is an arithmetic number, because the mean of its divisors is an integer number (7421085047250).

Almost surely, 2^{222211002021112} is an apocalyptic number.

It is an amenable number.

222211002021112 is an abundant number, since it is smaller than the sum of its proper divisors (252738441002888).

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

222211002021112 is a wasteful number, since it uses less digits than its factorization.

222211002021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628240220 (or 628240216 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222211002021112 its reverse (211120200112222), we get a palindrome (433331202133334).

The spelling of 222211002021112 in words is "two hundred twenty-two trillion, two hundred eleven billion, two million, twenty-one thousand, one hundred twelve".