222120212201112 has 128 divisors (see below), whose sum is σ = 558162374860800. Its totient is φ = 73659132556800.

The previous prime is 222120212201101. The next prime is 222120212201123. The reversal of 222120212201112 is 211102212021222.

It is an interprime number because it is at equal distance from previous prime (222120212201101) and next prime (222120212201123).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35386361718 + ... + 35386367994.

It is an arithmetic number, because the mean of its divisors is an integer number (4360643553600).

Almost surely, 2^{222120212201112} is an apocalyptic number.

It is an amenable number.

222120212201112 is an abundant number, since it is smaller than the sum of its proper divisors (336042162659688).

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

222120212201112 is a wasteful number, since it uses less digits than its factorization.

222120212201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11497 (or 11493 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222120212201112 its reverse (211102212021222), we get a palindrome (433222424222334).

The spelling of 222120212201112 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred one thousand, one hundred twelve".