2021113003 has 8 divisors (see below), whose sum is σ = 2487523808. Its totient is φ = 1599122304.

The previous prime is 2021112953. The next prime is 2021113007. The reversal of 2021113003 is 3003111202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2021113003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2021113007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11104926 + ... + 11105107.

It is an arithmetic number, because the mean of its divisors is an integer number (310940476).

Almost surely, 2^2021113003 is an apocalyptic number.

2021113003 is a deficient number, since it is larger than the sum of its proper divisors (466410805).

2021113003 is a wasteful number, since it uses less digits than its factorization.

2021113003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22210053.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2021113003 is about 44956.7903992267. The cubic root of 2021113003 is about 1264.3389929829.

Adding to 2021113003 its reverse (3003111202), we get a palindrome (5024224205).

The spelling of 2021113003 in words is "two billion, twenty-one million, one hundred thirteen thousand, three".