221002101102212 has 12 divisors (see below), whose sum is σ = 403569054186816. Its totient is φ = 105696657048840.

The previous prime is 221002101102193. The next prime is 221002101102257. The reversal of 221002101102212 is 212201101200122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201098375464 + ... + 1201098375647.

It is an arithmetic number, because the mean of its divisors is an integer number (33630754515568).

Almost surely, 2^{221002101102212} is an apocalyptic number.

It is an amenable number.

221002101102212 is a deficient number, since it is larger than the sum of its proper divisors (182566953084604).

221002101102212 is a wasteful number, since it uses less digits than its factorization.

221002101102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402196751138 (or 2402196751136 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221002101102212 its reverse (212201101200122), we get a palindrome (433203202302334).

The spelling of 221002101102212 in words is "two hundred twenty-one trillion, two billion, one hundred one million, one hundred two thousand, two hundred twelve".