1120081438921 has 3 divisors (see below), whose sum is σ = 1120082497261. Its totient is φ = 1120080380582.

The previous prime is 1120081438907. The next prime is 1120081438933. The reversal of 1120081438921 is 1298341800211.

The square root of 1120081438921 is 1058339.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1120081438921 - 2³³ = 1111491504329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120081438961) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 529170 + ... + 1587508.

Almost surely, 2^{1120081438921} is an apocalyptic number.

1120081438921 is the 1058339-th square number.

1120081438921 is the 529170-th centered octagonal number.

It is an amenable number.

1120081438921 is a deficient number, since it is larger than the sum of its proper divisors (1058340).

1120081438921 is an frugal number, since it uses more digits than its factorization.

1120081438921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116678 (or 1058339 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The spelling of 1120081438921 in words is "one trillion, one hundred twenty billion, eighty-one million, four hundred thirty-eight thousand, nine hundred twenty-one".