111110122212001 has 16 divisors (see below), whose sum is σ = 122170236069888. Its totient is φ = 100209936153600.

The previous prime is 111110122211953. The next prime is 111110122212013. The reversal of 111110122212001 is 100212221011111.

It is a cyclic number.

It is not a de Polignac number, because 111110122212001 - 2¹¹ = 111110122209953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111110122218001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34491031 + ... + 37574611.

It is an arithmetic number, because the mean of its divisors is an integer number (7635639754368).

Almost surely, 2^{111110122212001} is an apocalyptic number.

111110122212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111110122212001 is a deficient number, since it is larger than the sum of its proper divisors (11060113857887).

111110122212001 is a wasteful number, since it uses less digits than its factorization.

111110122212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109512.

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

Adding to 111110122212001 its reverse (100212221011111), we get a palindrome (211322343223112).

The spelling of 111110122212001 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twenty-two million, two hundred twelve thousand, one".