1122000222120 has 64 divisors (see below), whose sum is σ = 3398680321920. Its totient is φ = 296295201024.

The previous prime is 1122000222001. The next prime is 1122000222121. The reversal of 1122000222120 is 212220002211.

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 1122000222120.

It is not an unprimeable number, because it can be changed into a prime (1122000222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45375999 + ... + 45400718.

It is an arithmetic number, because the mean of its divisors is an integer number (53104380030).

Almost surely, 2^{1122000222120} is an apocalyptic number.

1122000222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122000222120 is an abundant number, since it is smaller than the sum of its proper divisors (2276680099800).

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

1122000222120 is a wasteful number, since it uses less digits than its factorization.

1122000222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90776834 (or 90776830 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1122000222120 its reverse (212220002211), we get a palindrome (1334220224331).

The spelling of 1122000222120 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two thousand, one hundred twenty".