2021683502003 has 12 divisors (see below), whose sum is σ = 2284146152808. Its totient is φ = 1774518426240.

The previous prime is 2021683501993. The next prime is 2021683502051. The reversal of 2021683502003 is 3002053861202.

It is not a de Polignac number, because 2021683502003 - 2¹² = 2021683497907 is a prime.

It is a super-2 number, since 2×2021683502003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021683502053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109259126 + ... + 109277627.

It is an arithmetic number, because the mean of its divisors is an integer number (190345512734).

Almost surely, 2^{2021683502003} is an apocalyptic number.

2021683502003 is a deficient number, since it is larger than the sum of its proper divisors (262462650805).

2021683502003 is a wasteful number, since it uses less digits than its factorization.

2021683502003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218536822 (or 218536793 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 2021683502003 in words is "two trillion, twenty-one billion, six hundred eighty-three million, five hundred two thousand, three".