1222102221002 has 64 divisors (see below), whose sum is σ = 2066367663360. Its totient is φ = 538876641600.

The previous prime is 1222102220971. The next prime is 1222102221029. The reversal of 1222102221002 is 2001222012221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345127352 + ... + 345130892.

It is an arithmetic number, because the mean of its divisors is an integer number (32286994740).

Almost surely, 2^{1222102221002} is an apocalyptic number.

1222102221002 is a deficient number, since it is larger than the sum of its proper divisors (844265442358).

1222102221002 is a wasteful number, since it uses less digits than its factorization.

1222102221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716 (or 4670 counting only the distinct ones).

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

Adding to 1222102221002 its reverse (2001222012221), we get a palindrome (3223324233223).

The spelling of 1222102221002 in words is "one trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, two".