1122011312 has 20 divisors (see below), whose sum is σ = 2183000160. Its totient is φ = 558656448.

The previous prime is 1122011291. The next prime is 1122011321. The reversal of 1122011312 is 2131102211.

It is a super-2 number, since 2×1122011312² = 2517818768511922688, which contains 22 as substring.

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, 142883 + ... + 150530.

It is an arithmetic number, because the mean of its divisors is an integer number (109150008).

Almost surely, 2^1122011312 is an apocalyptic number.

It is an amenable number.

1122011312 is a deficient number, since it is larger than the sum of its proper divisors (1060988848).

1122011312 is a wasteful number, since it uses less digits than its factorization.

1122011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293660 (or 293654 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1122011312 is about 33496.4373030924. The cubic root of 1122011312 is about 1039.1200989573.

Adding to 1122011312 its reverse (2131102211), we get a palindrome (3253113523).

The spelling of 1122011312 in words is "one billion, one hundred twenty-two million, eleven thousand, three hundred twelve".