1022212221002 has 24 divisors (see below), whose sum is σ = 1797700575744. Its totient is φ = 434641411512.

The previous prime is 1022212220993. The next prime is 1022212221059. The reversal of 1022212221002 is 2001222122201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41053448 + ... + 41078339.

It is an arithmetic number, because the mean of its divisors is an integer number (74904190656).

Almost surely, 2^{1022212221002} is an apocalyptic number.

1022212221002 is a deficient number, since it is larger than the sum of its proper divisors (775488354742).

1022212221002 is a wasteful number, since it uses less digits than its factorization.

1022212221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82131930 (or 82131923 counting only the distinct ones).

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

Adding to 1022212221002 its reverse (2001222122201), we get a palindrome (3023434343203).

The spelling of 1022212221002 in words is "one trillion, twenty-two billion, two hundred twelve million, two hundred twenty-one thousand, two".