1122111213120 has 112 divisors (see below), whose sum is σ = 3958559032320. Its totient is φ = 299229654528.

The previous prime is 1122111213109. The next prime is 1122111213149. The reversal of 1122111213120 is 213121112211.

It is a happy number.

1122111213120 is a `hidden beast` number, since 11 + 221 + 1 + 121 + 312 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1122111213093 and 1122111213102.

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 15 ways as a sum of consecutive naturals, for example, 64928352 + ... + 64945631.

Almost surely, 2^{1122111213120} is an apocalyptic number.

1122111213120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122111213120 is an abundant number, since it is smaller than the sum of its proper divisors (2836447819200).

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

1122111213120 is a wasteful number, since it uses less digits than its factorization.

1122111213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129874009 (or 129873993 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 1122111213120 its reverse (213121112211), we get a palindrome (1335232325331).

The spelling of 1122111213120 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, two hundred thirteen thousand, one hundred twenty".