2200221010021 has 4 divisors (see below), whose sum is σ = 2271195881344. Its totient is φ = 2129246138700.

The previous prime is 2200221010003. The next prime is 2200221010027. The reversal of 2200221010021 is 1200101220022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2200221010021 - 2⁷ = 2200221009893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200221009983 and 2200221010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200221010027) 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, 35487435615 + ... + 35487435676.

It is an arithmetic number, because the mean of its divisors is an integer number (567798970336).

Almost surely, 2^{2200221010021} is an apocalyptic number.

It is an amenable number.

2200221010021 is a deficient number, since it is larger than the sum of its proper divisors (70974871323).

2200221010021 is an equidigital number, since it uses as much as digits as its factorization.

2200221010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70974871322.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2200221010021 its reverse (1200101220022), we get a palindrome (3400322230043).

The spelling of 2200221010021 in words is "two trillion, two hundred billion, two hundred twenty-one million, ten thousand, twenty-one".