1121210222120 has 16 divisors (see below), whose sum is σ = 2522722999860. Its totient is φ = 448484088832.

The previous prime is 1121210222113. The next prime is 1121210222123. The reversal of 1121210222120 is 212220121211.

It can be written as a sum of positive squares in 2 ways, for example, as 1120282532356 + 927689764 = 1058434^2 + 30458^2 .

It is a super-2 number, since 2×1121210222120² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121210222123) 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, 14015127737 + ... + 14015127816.

Almost surely, 2^{1121210222120} is an apocalyptic number.

1121210222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121210222120 is an abundant number, since it is smaller than the sum of its proper divisors (1401512777740).

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

1121210222120 is a wasteful number, since it uses less digits than its factorization.

1121210222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28030255564 (or 28030255560 counting only the distinct ones).

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

Adding to 1121210222120 its reverse (212220121211), we get a palindrome (1333430343331).

The spelling of 1121210222120 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty".