221303112210112 has 28 divisors (see below), whose sum is σ = 440243496418536. Its totient is φ = 110375617049600.

The previous prime is 221303112210067. The next prime is 221303112210113. The reversal of 221303112210112 is 211012211303122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (221303112210113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311521878 + ... + 4311573205.

Almost surely, 2^{221303112210112} is an apocalyptic number.

It is an amenable number.

221303112210112 is a deficient number, since it is larger than the sum of its proper divisors (218940384208424).

221303112210112 is an equidigital number, since it uses as much as digits as its factorization.

221303112210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623095496 (or 8623095486 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 221303112210112 its reverse (211012211303122), we get a palindrome (432315323513234).

The spelling of 221303112210112 in words is "two hundred twenty-one trillion, three hundred three billion, one hundred twelve million, two hundred ten thousand, one hundred twelve".