111120210022 has 4 divisors (see below), whose sum is σ = 166680315036. Its totient is φ = 55560105010.

The previous prime is 111120210001. The next prime is 111120210029. The reversal of 111120210022 is 220012021111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220012021111 = 6271 ⋅35084041.

It is a junction number, because it is equal to n+sod(n) for n = 111120209984 and 111120210011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120210029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780052504 + ... + 27780052507.

It is an arithmetic number, because the mean of its divisors is an integer number (41670078759).

Almost surely, 2^111120210022 is an apocalyptic number.

111120210022 is a deficient number, since it is larger than the sum of its proper divisors (55560105014).

111120210022 is an equidigital number, since it uses as much as digits as its factorization.

111120210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55560105013.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111120210022 its reverse (220012021111), we get a palindrome (331132231133).

The spelling of 111120210022 in words is "one hundred eleven billion, one hundred twenty million, two hundred ten thousand, twenty-two".