2222010200021 has 4 divisors (see below), whose sum is σ = 2230031897772. Its totient is φ = 2213988502272.

The previous prime is 2222010200017. The next prime is 2222010200023. The reversal of 2222010200021 is 1200020102222.

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 580316386225 + 1641693813796 = 761785^2 + 1281286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222010200021 - 2² = 2222010200017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222010199969 and 2222010200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222010200023) 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, 4010848460 + ... + 4010849013.

It is an arithmetic number, because the mean of its divisors is an integer number (557507974443).

Almost surely, 2^{2222010200021} is an apocalyptic number.

It is an amenable number.

2222010200021 is a deficient number, since it is larger than the sum of its proper divisors (8021697751).

2222010200021 is an equidigital number, since it uses as much as digits as its factorization.

2222010200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021697750.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2222010200021 its reverse (1200020102222), we get a palindrome (3422030302243).

The spelling of 2222010200021 in words is "two trillion, two hundred twenty-two billion, ten million, two hundred thousand, twenty-one".