221002210022212 has 48 divisors (see below), whose sum is σ = 393498078019200. Its totient is φ = 108575999517440.

The previous prime is 221002210022197. The next prime is 221002210022239. The reversal of 221002210022212 is 212220012200122.

It is a self number, because there is not a number n which added to its sum of digits gives 221002210022212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6006945537 + ... + 6006982327.

It is an arithmetic number, because the mean of its divisors is an integer number (8197876625400).

Almost surely, 2^{221002210022212} is an apocalyptic number.

It is an amenable number.

221002210022212 is a deficient number, since it is larger than the sum of its proper divisors (172495867996988).

221002210022212 is a wasteful number, since it uses less digits than its factorization.

221002210022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48396 (or 48394 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221002210022212 its reverse (212220012200122), we get a palindrome (433222222222334).

The spelling of 221002210022212 in words is "two hundred twenty-one trillion, two billion, two hundred ten million, twenty-two thousand, two hundred twelve".