221002211222202 has 32 divisors (see below), whose sum is σ = 442895450112000. Its totient is φ = 73518988413168.

The previous prime is 221002211222179. The next prime is 221002211222207. The reversal of 221002211222202 is 202222112200122.

It is not an unprimeable number, because it can be changed into a prime (221002211222207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1256202 + ... + 21061397.

It is an arithmetic number, because the mean of its divisors is an integer number (13840482816000).

Almost surely, 2^{221002211222202} is an apocalyptic number.

221002211222202 is an abundant number, since it is smaller than the sum of its proper divisors (221893238889798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221002211222202 is a wasteful number, since it uses less digits than its factorization.

221002211222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22320930.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 221002211222202 its reverse (202222112200122), we get a palindrome (423224323422324).

The spelling of 221002211222202 in words is "two hundred twenty-one trillion, two billion, two hundred eleven million, two hundred twenty-two thousand, two hundred two".