111210220110212 has 24 divisors (see below), whose sum is σ = 199365153453312. Its totient is φ = 54248754369600.

The previous prime is 111210220110109. The next prime is 111210220110263. The reversal of 111210220110212 is 212011022012111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114365537 + ... + 115333847.

It is an arithmetic number, because the mean of its divisors is an integer number (8306881393888).

Almost surely, 2^{111210220110212} is an apocalyptic number.

It is an amenable number.

111210220110212 is a deficient number, since it is larger than the sum of its proper divisors (88154933343100).

111210220110212 is a wasteful number, since it uses less digits than its factorization.

111210220110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668659 (or 1668657 counting only the distinct ones).

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

Adding to 111210220110212 its reverse (212011022012111), we get a palindrome (323221242122323).

The spelling of 111210220110212 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twenty million, one hundred ten thousand, two hundred twelve".