112122221111 has 8 divisors (see below), whose sum is σ = 114064180560. Its totient is φ = 110181647872.

The previous prime is 112122221087. The next prime is 112122221149. The reversal of 112122221111 is 111122221211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112122221111 - 2⁶ = 112122221047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112122221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122221411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182720 + ... + 507573.

It is an arithmetic number, because the mean of its divisors is an integer number (14258022570).

Almost surely, 2^112122221111 is an apocalyptic number.

112122221111 is a deficient number, since it is larger than the sum of its proper divisors (1941959449).

112122221111 is an equidigital number, since it uses as much as digits as its factorization.

112122221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693105.

The product of its digits is 32, while the sum is 17.

Adding to 112122221111 its reverse (111122221211), we get a palindrome (223244442322).

The spelling of 112122221111 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred eleven".