2200013444021 has 4 divisors (see below), whose sum is σ = 2200038280812. Its totient is φ = 2199988607232.

The previous prime is 2200013443981. The next prime is 2200013444039. The reversal of 2200013444021 is 1204443100022.

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 142309263121 + 2057704180900 = 377239^2 + 1434470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200013444021 - 2¹⁰ = 2200013442997 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 (2200013444071) 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, 12285050 + ... + 12462843.

It is an arithmetic number, because the mean of its divisors is an integer number (550009570203).

Almost surely, 2^{2200013444021} is an apocalyptic number.

It is an amenable number.

2200013444021 is a deficient number, since it is larger than the sum of its proper divisors (24836791).

2200013444021 is an equidigital number, since it uses as much as digits as its factorization.

2200013444021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24836790.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2200013444021 its reverse (1204443100022), we get a palindrome (3404456544043).

The spelling of 2200013444021 in words is "two trillion, two hundred billion, thirteen million, four hundred forty-four thousand, twenty-one".