221112122110022 has 16 divisors (see below), whose sum is σ = 389652131271312. Its totient is φ = 92774316969120.

The previous prime is 221112122109919. The next prime is 221112122110051. The reversal of 221112122110022 is 220011221211122.

221112122110022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221112122109976 and 221112122110003.

It is a congruent number.

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, 386559653753 + ... + 386559654324.

It is an arithmetic number, because the mean of its divisors is an integer number (24353258204457).

Almost surely, 2^{221112122110022} is an apocalyptic number.

221112122110022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221112122110022 is a deficient number, since it is larger than the sum of its proper divisors (168540009161290).

221112122110022 is a wasteful number, since it uses less digits than its factorization.

221112122110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773119308103.

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

Adding to 221112122110022 its reverse (220011221211122), we get a palindrome (441123343321144).

The spelling of 221112122110022 in words is "two hundred twenty-one trillion, one hundred twelve billion, one hundred twenty-two million, one hundred ten thousand, twenty-two".