1122011212112 has 80 divisors (see below), whose sum is σ = 2630959107840. Its totient is φ = 452513777664.

The previous prime is 1122011212097. The next prime is 1122011212141. The reversal of 1122011212112 is 2112121102211.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15361214 + ... + 15434082.

It is an arithmetic number, because the mean of its divisors is an integer number (32886988848).

Almost surely, 2^{1122011212112} is an apocalyptic number.

It is an amenable number.

1122011212112 is an abundant number, since it is smaller than the sum of its proper divisors (1508947895728).

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

1122011212112 is a wasteful number, since it uses less digits than its factorization.

1122011212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80988 (or 80982 counting only the distinct ones).

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

Adding to 1122011212112 its reverse (2112121102211), we get a palindrome (3234132314323).

The spelling of 1122011212112 in words is "one trillion, one hundred twenty-two billion, eleven million, two hundred twelve thousand, one hundred twelve".