221012221102202 has 16 divisors (see below), whose sum is σ = 331547708913120. Its totient is φ = 110496318549552.

The previous prime is 221012221102159. The next prime is 221012221102229. The reversal of 221012221102202 is 202201122210122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1492011713 + ... + 1492159835.

It is an arithmetic number, because the mean of its divisors is an integer number (20721731807070).

Almost surely, 2^{221012221102202} is an apocalyptic number.

221012221102202 is a deficient number, since it is larger than the sum of its proper divisors (110535487810918).

221012221102202 is a wasteful number, since it uses less digits than its factorization.

221012221102202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209197.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221012221102202 its reverse (202201122210122), we get a palindrome (423213343312324).

The spelling of 221012221102202 in words is "two hundred twenty-one trillion, twelve billion, two hundred twenty-one million, one hundred two thousand, two hundred two".