1122200222120 has 16 divisors (see below), whose sum is σ = 2524950499860. Its totient is φ = 448880088832.

The previous prime is 1122200222027. The next prime is 1122200222123. The reversal of 1122200222120 is 212220022211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1065490515076 + 56709707044 = 1032226^2 + 238138^2 .

It is not an unprimeable number, because it can be changed into a prime (1122200222123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14027502737 + ... + 14027502816.

Almost surely, 2^{1122200222120} is an apocalyptic number.

1122200222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122200222120 is an abundant number, since it is smaller than the sum of its proper divisors (1402750277740).

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

1122200222120 is a wasteful number, since it uses less digits than its factorization.

1122200222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28055005564 (or 28055005560 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1122200222120 its reverse (212220022211), we get a palindrome (1334420244331).

The spelling of 1122200222120 in words is "one trillion, one hundred twenty-two billion, two hundred million, two hundred twenty-two thousand, one hundred twenty".