111100221120212 has 48 divisors (see below), whose sum is σ = 202482153119232. Its totient is φ = 53280093834240.

The previous prime is 111100221120143. The next prime is 111100221120241. The reversal of 111100221120212 is 212021122001111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342753683 + ... + 343077669.

It is an arithmetic number, because the mean of its divisors is an integer number (4218378189984).

Almost surely, 2^{111100221120212} is an apocalyptic number.

It is an amenable number.

111100221120212 is a deficient number, since it is larger than the sum of its proper divisors (91381931999020).

111100221120212 is a wasteful number, since it uses less digits than its factorization.

111100221120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348608 (or 348606 counting only the distinct ones).

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

Adding to 111100221120212 its reverse (212021122001111), we get a palindrome (323121343121323).

The spelling of 111100221120212 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twelve".