221112110022 has 32 divisors (see below), whose sum is σ = 463740115680. Its totient is φ = 70187685120.

The previous prime is 221112109997. The next prime is 221112110117. The reversal of 221112110022 is 220011211122.

It is a junction number, because it is equal to n+sod(n) for n = 221112109983 and 221112110010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8691129 + ... + 8716532.

It is an arithmetic number, because the mean of its divisors is an integer number (14491878615).

Almost surely, 2^221112110022 is an apocalyptic number.

221112110022 is an abundant number, since it is smaller than the sum of its proper divisors (242628005658).

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

221112110022 is a wasteful number, since it uses less digits than its factorization.

221112110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17407768.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221112110022 its reverse (220011211122), we get a palindrome (441123321144).

The spelling of 221112110022 in words is "two hundred twenty-one billion, one hundred twelve million, one hundred ten thousand, twenty-two".