111210120000022 has 4 divisors (see below), whose sum is σ = 166815180000036. Its totient is φ = 55605060000010.

The previous prime is 111210120000011. The next prime is 111210120000059. The reversal of 111210120000022 is 220000021012111.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 111210119999957 and 111210120000011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27802530000004 + ... + 27802530000007.

It is an arithmetic number, because the mean of its divisors is an integer number (41703795000009).

Almost surely, 2^{111210120000022} is an apocalyptic number.

111210120000022 is a deficient number, since it is larger than the sum of its proper divisors (55605060000014).

111210120000022 is an equidigital number, since it uses as much as digits as its factorization.

111210120000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55605060000013.

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

Adding to 111210120000022 its reverse (220000021012111), we get a palindrome (331210141012133).

The spelling of 111210120000022 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twenty million, twenty-two", and thus it is an aban number.