22111122011012 has 12 divisors (see below), whose sum is σ = 38695278352080. Its totient is φ = 11055328196136.

The previous prime is 22111122010981. The next prime is 22111122011029. The reversal of 22111122011012 is 21011022111122.

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, 57988562 + ... + 58368617.

It is an arithmetic number, because the mean of its divisors is an integer number (3224606529340).

Almost surely, 2^{22111122011012} is an apocalyptic number.

It is an amenable number.

22111122011012 is a deficient number, since it is larger than the sum of its proper divisors (16584156341068).

22111122011012 is a wasteful number, since it uses less digits than its factorization.

22111122011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116404690 (or 116404688 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111122011012 its reverse (21011022111122), we get a palindrome (43122144122134).

The spelling of 22111122011012 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-two million, eleven thousand, twelve".