1113300120021 has 32 divisors (see below), whose sum is σ = 1619479804800. Its totient is φ = 677856625920.

The previous prime is 1113300120013. The next prime is 1113300120041. The reversal of 1113300120021 is 1200210033111.

It is a happy number.

It is not a de Polignac number, because 1113300120021 - 2³ = 1113300120013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113300120041) 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, 2191590 + ... + 2651351.

It is an arithmetic number, because the mean of its divisors is an integer number (50608743900).

Almost surely, 2^{1113300120021} is an apocalyptic number.

It is an amenable number.

1113300120021 is a deficient number, since it is larger than the sum of its proper divisors (506179684779).

1113300120021 is a wasteful number, since it uses less digits than its factorization.

1113300120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843109.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1113300120021 its reverse (1200210033111), we get a palindrome (2313510153132).

It can be divided in two parts, 1113300 and 120021, that added together give a palindrome (1233321).

The spelling of 1113300120021 in words is "one trillion, one hundred thirteen billion, three hundred million, one hundred twenty thousand, twenty-one".