2203425202021 has 4 divisors (see below), whose sum is σ = 2233609108972. Its totient is φ = 2173241295072.

The previous prime is 2203425202001. The next prime is 2203425202051. The reversal of 2203425202021 is 1202025243022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1042880076225 + 1160545125796 = 1021215^2 + 1077286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203425202021 - 2⁷ = 2203425201893 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 (2203425202001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15091953366 + ... + 15091953511.

It is an arithmetic number, because the mean of its divisors is an integer number (558402277243).

Almost surely, 2^{2203425202021} is an apocalyptic number.

It is an amenable number.

2203425202021 is a deficient number, since it is larger than the sum of its proper divisors (30183906951).

2203425202021 is an equidigital number, since it uses as much as digits as its factorization.

2203425202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30183906950.

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 2203425202021 in words is "two trillion, two hundred three billion, four hundred twenty-five million, two hundred two thousand, twenty-one".