111012320212 has 6 divisors (see below), whose sum is σ = 194271560378. Its totient is φ = 55506160104.

The previous prime is 111012320207. The next prime is 111012320213. The reversal of 111012320212 is 212023210111.

It can be written as a sum of positive squares in only one way, i.e., 61601254416 + 49411065796 = 248196^2 + 222286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012320213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13876540023 + ... + 13876540030.

Almost surely, 2^111012320212 is an apocalyptic number.

It is an amenable number.

111012320212 is a deficient number, since it is larger than the sum of its proper divisors (83259240166).

111012320212 is a wasteful number, since it uses less digits than its factorization.

111012320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27753080057 (or 27753080055 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111012320212 its reverse (212023210111), we get a palindrome (323035530323).

The spelling of 111012320212 in words is "one hundred eleven billion, twelve million, three hundred twenty thousand, two hundred twelve".