2202020122221 has 8 divisors (see below), whose sum is σ = 3262252032960. Its totient is φ = 1468013414796.

The previous prime is 2202020122193. The next prime is 2202020122229. The reversal of 2202020122221 is 1222210202022.

2202020122221 is a `hidden beast` number, since 220 + 2 + 0 + 201 + 22 + 221 = 666.

It is not a de Polignac number, because 2202020122221 - 2²⁵ = 2201986567789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2202020122194 and 2202020122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202020122229) 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, 40778150385 + ... + 40778150438.

It is an arithmetic number, because the mean of its divisors is an integer number (407781504120).

Almost surely, 2^{2202020122221} is an apocalyptic number.

It is an amenable number.

2202020122221 is a deficient number, since it is larger than the sum of its proper divisors (1060231910739).

2202020122221 is an equidigital number, since it uses as much as digits as its factorization.

2202020122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81556300832 (or 81556300826 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2202020122221 its reverse (1222210202022), we get a palindrome (3424230324243).

The spelling of 2202020122221 in words is "two trillion, two hundred two billion, twenty million, one hundred twenty-two thousand, two hundred twenty-one".