221112201120222 has 32 divisors (see below), whose sum is σ = 457483504344480. Its totient is φ = 71160994298240.

The previous prime is 221112201120169. The next prime is 221112201120229. The reversal of 221112201120222 is 222021102211122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112201120229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5859429 + ... + 21830192.

It is an arithmetic number, because the mean of its divisors is an integer number (14296359510765).

Almost surely, 2^{221112201120222} is an apocalyptic number.

221112201120222 is an abundant number, since it is smaller than the sum of its proper divisors (236371303224258).

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

221112201120222 is a wasteful number, since it uses less digits than its factorization.

221112201120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27735548.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221112201120222 its reverse (222021102211122), we get a palindrome (443133303331344).

The spelling of 221112201120222 in words is "two hundred twenty-one trillion, one hundred twelve billion, two hundred one million, one hundred twenty thousand, two hundred twenty-two".