111211102021112 has 16 divisors (see below), whose sum is σ = 219495596094600. Its totient is φ = 52678943062560.

The previous prime is 111211102021039. The next prime is 111211102021127. The reversal of 111211102021112 is 211120201112111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365825993339 + ... + 365825993642.

Almost surely, 2^{111211102021112} is an apocalyptic number.

It is an amenable number.

111211102021112 is a deficient number, since it is larger than the sum of its proper divisors (108284494073488).

111211102021112 is a wasteful number, since it uses less digits than its factorization.

111211102021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731651987006 (or 731651987002 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111211102021112 its reverse (211120201112111), we get a palindrome (322331303133223).

Subtracting 111211102021112 from its reverse (211120201112111), we obtain a palindrome (99909099090999).

The spelling of 111211102021112 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred two million, twenty-one thousand, one hundred twelve".