22222011011212 has 12 divisors (see below), whose sum is σ = 38918410531056. Its totient is φ = 11102465145200.

The previous prime is 22222011011197. The next prime is 22222011011269. The reversal of 22222011011212 is 21211011022222.

It is a self number, because there is not a number n which added to its sum of digits gives 22222011011212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135084248 + ... + 2135094655.

It is an arithmetic number, because the mean of its divisors is an integer number (3243200877588).

Almost surely, 2^{22222011011212} is an apocalyptic number.

It is an amenable number.

22222011011212 is a deficient number, since it is larger than the sum of its proper divisors (16696399519844).

22222011011212 is a wasteful number, since it uses less digits than its factorization.

22222011011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270180208 (or 4270180206 counting only the distinct ones).

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

Adding to 22222011011212 its reverse (21211011022222), we get a palindrome (43433022033434).

The spelling of 22222011011212 in words is "twenty-two trillion, two hundred twenty-two billion, eleven million, eleven thousand, two hundred twelve".