2021002020103 has 32 divisors (see below), whose sum is σ = 2280376929600. Its totient is φ = 1774948608000.

The previous prime is 2021002020101. The next prime is 2021002020109. The reversal of 2021002020103 is 3010202001202.

It is not a de Polignac number, because 2021002020103 - 2¹ = 2021002020101 is a prime.

It is a super-2 number, since 2×2021002020103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021002020101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228073893 + ... + 228082753.

It is an arithmetic number, because the mean of its divisors is an integer number (71261779050).

Almost surely, 2^{2021002020103} is an apocalyptic number.

2021002020103 is a deficient number, since it is larger than the sum of its proper divisors (259374909497).

2021002020103 is a wasteful number, since it uses less digits than its factorization.

2021002020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12819.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2021002020103 its reverse (3010202001202), we get a palindrome (5031204021305).

The spelling of 2021002020103 in words is "two trillion, twenty-one billion, two million, twenty thousand, one hundred three".