1103331210021 has 24 divisors (see below), whose sum is σ = 1649661671424. Its totient is φ = 710039040480.

The previous prime is 1103331209993. The next prime is 1103331210031. The reversal of 1103331210021 is 1200121333011.

1103331210021 is a `hidden beast` number, since 1 + 103 + 331 + 210 + 0 + 21 = 666.

It is not a de Polignac number, because 1103331210021 - 2⁵ = 1103331209989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103331209976 and 1103331210003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103331210031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13002225 + ... + 13086806.

It is an arithmetic number, because the mean of its divisors is an integer number (68735902976).

Almost surely, 2^{1103331210021} is an apocalyptic number.

It is an amenable number.

1103331210021 is a deficient number, since it is larger than the sum of its proper divisors (546330461403).

1103331210021 is a wasteful number, since it uses less digits than its factorization.

1103331210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26089201 (or 26089198 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1103331210021 its reverse (1200121333011), we get a palindrome (2303452543032).

The spelling of 1103331210021 in words is "one trillion, one hundred three billion, three hundred thirty-one million, two hundred ten thousand, twenty-one".