2202220020221 has 16 divisors (see below), whose sum is σ = 2448719669760. Its totient is φ = 1966766218560.

The previous prime is 2202220020211. The next prime is 2202220020263. The reversal of 2202220020221 is 1220200222022.

It is a de Polignac number, because none of the positive numbers 2^k-2202220020221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2202220020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202220020211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1004510 + ... + 2326688.

It is an arithmetic number, because the mean of its divisors is an integer number (153044979360).

Almost surely, 2^{2202220020221} is an apocalyptic number.

It is an amenable number.

2202220020221 is a deficient number, since it is larger than the sum of its proper divisors (246499649539).

2202220020221 is a wasteful number, since it uses less digits than its factorization.

2202220020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326356.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2202220020221 its reverse (1220200222022), we get a palindrome (3422420242243).

The spelling of 2202220020221 in words is "two trillion, two hundred two billion, two hundred twenty million, twenty thousand, two hundred twenty-one".