10021001103 has 10 divisors (see below), whose sum is σ = 14969643744. Its totient is φ = 6680667348.

The previous prime is 10021001093. The next prime is 10021001149. The reversal of 10021001103 is 30110012001.

10021001103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10021001103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021001173) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61857951 + ... + 61858112.

Almost surely, 2^10021001103 is an apocalyptic number.

10021001103 is a deficient number, since it is larger than the sum of its proper divisors (4948642641).

10021001103 is an equidigital number, since it uses as much as digits as its factorization.

10021001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123716075 (or 123716066 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 10021001103 its reverse (30110012001), we get a palindrome (40131013104).

The spelling of 10021001103 in words is "ten billion, twenty-one million, one thousand, one hundred three".