22210001221202 has 4 divisors (see below), whose sum is σ = 33315001831806. Its totient is φ = 11105000610600.

The previous prime is 22210001221193. The next prime is 22210001221211. The reversal of 22210001221202 is 20212210001222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22210001221193) and next prime (22210001221211).

It can be written as a sum of positive squares in only one way, i.e., 18422388521161 + 3787612700041 = 4292131^2 + 1946179^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5552500305299 + ... + 5552500305302.

Almost surely, 2^{22210001221202} is an apocalyptic number.

22210001221202 is a deficient number, since it is larger than the sum of its proper divisors (11105000610604).

22210001221202 is a wasteful number, since it uses less digits than its factorization.

22210001221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11105000610603.

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

Adding to 22210001221202 its reverse (20212210001222), we get a palindrome (42422211222424).

The spelling of 22210001221202 in words is "twenty-two trillion, two hundred ten billion, one million, two hundred twenty-one thousand, two hundred two".