222211202121112 has 32 divisors (see below), whose sum is σ = 416946210246720. Its totient is φ = 111025550864800.

The previous prime is 222211202121101. The next prime is 222211202121221. The reversal of 222211202121112 is 211121202112222.

It is a super-2 number, since 2×222211202121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392380863 + ... + 392946769.

It is an arithmetic number, because the mean of its divisors is an integer number (13029569070210).

Almost surely, 2^{222211202121112} is an apocalyptic number.

It is an amenable number.

222211202121112 is a deficient number, since it is larger than the sum of its proper divisors (194735008125608).

222211202121112 is a wasteful number, since it uses less digits than its factorization.

222211202121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601191 (or 601187 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222211202121112 its reverse (211121202112222), we get a palindrome (433332404233334).

The spelling of 222211202121112 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred two million, one hundred twenty-one thousand, one hundred twelve".