1120001031021 has 32 divisors (see below), whose sum is σ = 1535454581760. Its totient is φ = 725974704000.

The previous prime is 1120001031001. The next prime is 1120001031049. The reversal of 1120001031021 is 1201301000211.

It is not a de Polignac number, because 1120001031021 - 2⁵ = 1120001030989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120001030988 and 1120001031006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120001031001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4202770 + ... + 4461308.

It is an arithmetic number, because the mean of its divisors is an integer number (47982955680).

Almost surely, 2^{1120001031021} is an apocalyptic number.

It is an amenable number.

1120001031021 is a deficient number, since it is larger than the sum of its proper divisors (415453550739).

1120001031021 is a wasteful number, since it uses less digits than its factorization.

1120001031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258897.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1120001031021 its reverse (1201301000211), we get a palindrome (2321302031232).

The spelling of 1120001031021 in words is "one trillion, one hundred twenty billion, one million, thirty-one thousand, twenty-one".