22222011122112 has 28 divisors (see below), whose sum is σ = 58795737761096. Its totient is φ = 7407337040640.

The previous prime is 22222011122083. The next prime is 22222011122119. The reversal of 22222011122112 is 21122111022222.

It is a super-2 number, since 2×22222011122112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222011122119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57869820439 + ... + 57869820822.

It is an arithmetic number, because the mean of its divisors is an integer number (2099847777182).

Almost surely, 2^{22222011122112} is an apocalyptic number.

It is an amenable number.

22222011122112 is an abundant number, since it is smaller than the sum of its proper divisors (36573726638984).

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

22222011122112 is a wasteful number, since it uses less digits than its factorization.

22222011122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115739641276 (or 115739641266 counting only the distinct ones).

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

Adding to 22222011122112 its reverse (21122111022222), we get a palindrome (43344122144334).

The spelling of 22222011122112 in words is "twenty-two trillion, two hundred twenty-two billion, eleven million, one hundred twenty-two thousand, one hundred twelve".