1122111320 has 32 divisors (see below), whose sum is σ = 2754274320. Its totient is φ = 408040320.

The previous prime is 1122111271. The next prime is 1122111337. The reversal of 1122111320 is 231112211.

It is a junction number, because it is equal to n+sod(n) for n = 1122111295 and 1122111304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274687 + ... + 1275566.

Almost surely, 2^1122111320 is an apocalyptic number.

1122111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122111320 is an abundant number, since it is smaller than the sum of its proper divisors (1632163000).

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

1122111320 is a wasteful number, since it uses less digits than its factorization.

1122111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550275 (or 2550271 counting only the distinct ones).

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

The square root of 1122111320 is about 33497.9300853053. The cubic root of 1122111320 is about 1039.1509712650.

Adding to 1122111320 its reverse (231112211), we get a palindrome (1353223531).

The spelling of 1122111320 in words is "one billion, one hundred twenty-two million, one hundred eleven thousand, three hundred twenty".