2012202210221 has 8 divisors (see below), whose sum is σ = 2346591499200. Its totient is φ = 1724744751324.

The previous prime is 2012202210199. The next prime is 2012202210259. The reversal of 2012202210221 is 1220122022102.

It is a happy number.

It is not a de Polignac number, because 2012202210221 - 2²² = 2012198015917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012202210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012202230221) 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, 2933239031 + ... + 2933239716.

It is an arithmetic number, because the mean of its divisors is an integer number (293323937400).

Almost surely, 2^{2012202210221} is an apocalyptic number.

It is an amenable number.

2012202210221 is a deficient number, since it is larger than the sum of its proper divisors (334389288979).

2012202210221 is an frugal number, since it uses more digits than its factorization.

2012202210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5866478768 (or 5866478754 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012202210221 its reverse (1220122022102), we get a palindrome (3232324232323).

The spelling of 2012202210221 in words is "two trillion, twelve billion, two hundred two million, two hundred ten thousand, two hundred twenty-one".