1122020112120 has 32 divisors (see below), whose sum is σ = 3366060336720. Its totient is φ = 299205363200.

The previous prime is 1122020112113. The next prime is 1122020112131. The reversal of 1122020112120 is 212110202211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1122020112120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4675083681 + ... + 4675083920.

Almost surely, 2^{1122020112120} is an apocalyptic number.

1122020112120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122020112120 is an abundant number, since it is smaller than the sum of its proper divisors (2244040224600).

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

1122020112120 is a wasteful number, since it uses less digits than its factorization.

1122020112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9350167615 (or 9350167611 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1122020112120 its reverse (212110202211), we get a palindrome (1334130314331).

Subtracting from 1122020112120 its reverse (212110202211), we obtain a palindrome (909909909909).

The spelling of 1122020112120 in words is "one trillion, one hundred twenty-two billion, twenty million, one hundred twelve thousand, one hundred twenty".