1121020432120 has 32 divisors (see below), whose sum is σ = 2670666325200. Its totient is φ = 422031221248.

The previous prime is 1121020432117. The next prime is 1121020432123. The reversal of 1121020432120 is 212340201211.

It is an interprime number because it is at equal distance from previous prime (1121020432117) and next prime (1121020432123).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121020432123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824279050 + ... + 824280409.

Almost surely, 2^{1121020432120} is an apocalyptic number.

1121020432120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121020432120 is an abundant number, since it is smaller than the sum of its proper divisors (1549645893080).

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

1121020432120 is a wasteful number, since it uses less digits than its factorization.

1121020432120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648559487 (or 1648559483 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1121020432120 its reverse (212340201211), we get a palindrome (1333360633331).

The spelling of 1121020432120 in words is "one trillion, one hundred twenty-one billion, twenty million, four hundred thirty-two thousand, one hundred twenty".