220221211212202 has 16 divisors (see below), whose sum is σ = 337385792459520. Its totient is φ = 107759636491248.

The previous prime is 220221211212187. The next prime is 220221211212217. The reversal of 220221211212202 is 202212112122022.

It is an interprime number because it is at equal distance from previous prime (220221211212187) and next prime (220221211212217).

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, 87781173 + ... + 90255064.

It is an arithmetic number, because the mean of its divisors is an integer number (21086612028720).

Almost surely, 2^{220221211212202} is an apocalyptic number.

220221211212202 is a deficient number, since it is larger than the sum of its proper divisors (117164581247318).

220221211212202 is a wasteful number, since it uses less digits than its factorization.

220221211212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178049445.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 220221211212202 its reverse (202212112122022), we get a palindrome (422433323334224).

It can be divided in two parts, 2 and 20221211212202, that multiplied together give a palindrome (40442422424404).

The spelling of 220221211212202 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, two hundred two".