1121022212120 has 16 divisors (see below), whose sum is σ = 2522299977360. Its totient is φ = 448408884832.

The previous prime is 1121022212099. The next prime is 1121022212131. The reversal of 1121022212120 is 212122201211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14012777612 + ... + 14012777691.

It is an arithmetic number, because the mean of its divisors is an integer number (157643748585).

Almost surely, 2^{1121022212120} is an apocalyptic number.

1121022212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121022212120 is an abundant number, since it is smaller than the sum of its proper divisors (1401277765240).

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

1121022212120 is a wasteful number, since it uses less digits than its factorization.

1121022212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28025555314 (or 28025555310 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1121022212120 its reverse (212122201211), we get a palindrome (1333144413331).

The spelling of 1121022212120 in words is "one trillion, one hundred twenty-one billion, twenty-two million, two hundred twelve thousand, one hundred twenty".