2021021200103 has 8 divisors (see below), whose sum is σ = 2108905999200. Its totient is φ = 1933137593728.

The previous prime is 2021021200073. The next prime is 2021021200109. The reversal of 2021021200103 is 3010021201202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2021021200103 - 2⁶ = 2021021200039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021021200109) 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, 5953043 + ... + 6283371.

It is an arithmetic number, because the mean of its divisors is an integer number (263613249900).

Almost surely, 2^{2021021200103} is an apocalyptic number.

2021021200103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2021021200103 is a deficient number, since it is larger than the sum of its proper divisors (87884799097).

2021021200103 is a wasteful number, since it uses less digits than its factorization.

2021021200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596361.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021021200103 its reverse (3010021201202), we get a palindrome (5031042401305).

The spelling of 2021021200103 in words is "two trillion, twenty-one billion, twenty-one million, two hundred thousand, one hundred three".