111120012022 has 4 divisors (see below), whose sum is σ = 166680018036. Its totient is φ = 55560006010.

The previous prime is 111120012011. The next prime is 111120012043. The reversal of 111120012022 is 220210021111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220210021111 = 67 ⋅3286716733.

It is a junction number, because it is equal to n+sod(n) for n = 111120011993 and 111120012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780003004 + ... + 27780003007.

It is an arithmetic number, because the mean of its divisors is an integer number (41670004509).

Almost surely, 2^111120012022 is an apocalyptic number.

111120012022 is a deficient number, since it is larger than the sum of its proper divisors (55560006014).

111120012022 is an equidigital number, since it uses as much as digits as its factorization.

111120012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55560006013.

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

Adding to 111120012022 its reverse (220210021111), we get a palindrome (331330033133).

The spelling of 111120012022 in words is "one hundred eleven billion, one hundred twenty million, twelve thousand, twenty-two".