2021703351703 has 16 divisors (see below), whose sum is σ = 2328254970624. Its totient is φ = 1719587076480.

The previous prime is 2021703351643. The next prime is 2021703351739. The reversal of 2021703351703 is 3071533071202.

It is not a de Polignac number, because 2021703351703 - 2²⁹ = 2021166480791 is a prime.

It is a super-2 number, since 2×2021703351703² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021703357703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40778976 + ... + 40828522.

It is an arithmetic number, because the mean of its divisors is an integer number (145515935664).

Almost surely, 2^{2021703351703} is an apocalyptic number.

2021703351703 is a deficient number, since it is larger than the sum of its proper divisors (306551618921).

2021703351703 is a wasteful number, since it uses less digits than its factorization.

2021703351703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94182.

The product of its (nonzero) digits is 26460, while the sum is 34.

The spelling of 2021703351703 in words is "two trillion, twenty-one billion, seven hundred three million, three hundred fifty-one thousand, seven hundred three".