1122112121120 has 96 divisors (see below), whose sum is σ = 2875392472176. Its totient is φ = 412138700800.

The previous prime is 1122112121077. The next prime is 1122112121131. The reversal of 1122112121120 is 211212112211.

It can be written as a sum of positive squares in 8 ways, for example, as 156224143504 + 965887977616 = 395252^2 + 982796^2 .

It is a super-2 number, since 2×1122112121120² (a number of 25 digits) contains 22 as substring.

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

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, 4919471 + ... + 5142510.

Almost surely, 2^{1122112121120} is an apocalyptic number.

1122112121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122112121120 is an abundant number, since it is smaller than the sum of its proper divisors (1753280351056).

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

1122112121120 is a wasteful number, since it uses less digits than its factorization.

1122112121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10062054 (or 10062046 counting only the distinct ones).

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

Adding to 1122112121120 its reverse (211212112211), we get a palindrome (1333324233331).

The spelling of 1122112121120 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, one hundred twenty".