222011122121112 has 32 divisors (see below), whose sum is σ = 555061308307200. Its totient is φ = 73999240306464.

The previous prime is 222011122121081. The next prime is 222011122121123. The reversal of 222011122121112 is 211121221110222.

It is a super-2 number, since 2×222011122121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278785812 + ... + 279581027.

It is an arithmetic number, because the mean of its divisors is an integer number (17345665884600).

Almost surely, 2^{222011122121112} is an apocalyptic number.

It is an amenable number.

222011122121112 is an abundant number, since it is smaller than the sum of its proper divisors (333050186186088).

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

222011122121112 is a wasteful number, since it uses less digits than its factorization.

222011122121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558383415 (or 558383411 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 222011122121112 its reverse (211121221110222), we get a palindrome (433132343231334).

The spelling of 222011122121112 in words is "two hundred twenty-two trillion, eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".