221000202201122 has 16 divisors (see below), whose sum is σ = 339775716090240. Its totient is φ = 107758605377328.

The previous prime is 221000202201083. The next prime is 221000202201197. The reversal of 221000202201122 is 221102202000122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 221000202201122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4243775372 + ... + 4243827447.

It is an arithmetic number, because the mean of its divisors is an integer number (21235982255640).

Almost surely, 2^{221000202201122} is an apocalyptic number.

221000202201122 is a deficient number, since it is larger than the sum of its proper divisors (118775513889118).

221000202201122 is a wasteful number, since it uses less digits than its factorization.

221000202201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487603145.

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

Adding to 221000202201122 its reverse (221102202000122), we get a palindrome (442102404201244).

The spelling of 221000202201122 in words is "two hundred twenty-one trillion, two hundred two million, two hundred one thousand, one hundred twenty-two".