221202202212202 has 16 divisors (see below), whose sum is σ = 338065426196352. Its totient is φ = 108513747593680.

The previous prime is 221202202212193. The next prime is 221202202212227. The reversal of 221202202212202 is 202212202202122.

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, 16625427 + ... + 26810617.

It is an arithmetic number, because the mean of its divisors is an integer number (21129089137272).

Almost surely, 2^{221202202212202} is an apocalyptic number.

221202202212202 is a deficient number, since it is larger than the sum of its proper divisors (116863223984150).

221202202212202 is a wasteful number, since it uses less digits than its factorization.

221202202212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390133.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 221202202212202 its reverse (202212202202122), we get a palindrome (423414404414324).

The spelling of 221202202212202 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred two million, two hundred twelve thousand, two hundred two".