202221021211112 has 16 divisors (see below), whose sum is σ = 379164641845860. Its totient is φ = 101110450052224.

The previous prime is 202221021211109. The next prime is 202221021211133. The reversal of 202221021211112 is 211112120122202.

It can be written as a sum of positive squares in 2 ways, for example, as 182047934040196 + 20173087170916 = 13492514^2 + 4491446^2 .

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 3 ways as a sum of consecutive naturals, for example, 8674478 + ... + 21901794.

Almost surely, 2^{202221021211112} is an apocalyptic number.

It is an amenable number.

202221021211112 is a deficient number, since it is larger than the sum of its proper divisors (176943620634748).

202221021211112 is a wasteful number, since it uses less digits than its factorization.

202221021211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15138340 (or 15138336 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202221021211112 its reverse (211112120122202), we get a palindrome (413333141333314).

The spelling of 202221021211112 in words is "two hundred two trillion, two hundred twenty-one billion, twenty-one million, two hundred eleven thousand, one hundred twelve".