2202121022101 has 32 divisors (see below), whose sum is σ = 3017034720000. Its totient is φ = 1583943157440.

The previous prime is 2202121022083. The next prime is 2202121022117. The reversal of 2202121022101 is 1012201212022.

It is a happy number.

It is not a de Polignac number, because 2202121022101 - 2⁷ = 2202121021973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202121022501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22399126 + ... + 22497223.

It is an arithmetic number, because the mean of its divisors is an integer number (94282335000).

Almost surely, 2^{2202121022101} is an apocalyptic number.

It is an amenable number.

2202121022101 is a deficient number, since it is larger than the sum of its proper divisors (814913697899).

2202121022101 is a wasteful number, since it uses less digits than its factorization.

2202121022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44896394 (or 44896380 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2202121022101 its reverse (1012201212022), we get a palindrome (3214322234123).

The spelling of 2202121022101 in words is "two trillion, two hundred two billion, one hundred twenty-one million, twenty-two thousand, one hundred one".