2202221212101 has 24 divisors (see below), whose sum is σ = 3214112855616. Its totient is φ = 1452878159040.

The previous prime is 2202221212033. The next prime is 2202221212159. The reversal of 2202221212101 is 1012121222022.

It is a happy number.

2202221212101 is a `hidden beast` number, since 220 + 2 + 221 + 212 + 10 + 1 = 666.

It is not a de Polignac number, because 2202221212101 - 2⁷ = 2202221211973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202221212501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499486 + ... + 2157296.

It is an arithmetic number, because the mean of its divisors is an integer number (133921368984).

Almost surely, 2^{2202221212101} is an apocalyptic number.

It is an amenable number.

2202221212101 is a deficient number, since it is larger than the sum of its proper divisors (1011891643515).

2202221212101 is a wasteful number, since it uses less digits than its factorization.

2202221212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659353 (or 1659350 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2202221212101 its reverse (1012121222022), we get a palindrome (3214342434123).

The spelling of 2202221212101 in words is "two trillion, two hundred two billion, two hundred twenty-one million, two hundred twelve thousand, one hundred one".