111030110212 has 24 divisors (see below), whose sum is σ = 222072177600. Its totient is φ = 47581770720.

The previous prime is 111030110203. The next prime is 111030110221. The reversal of 111030110212 is 212011030111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111030110203) and next prime (111030110221).

It is a junction number, because it is equal to n+sod(n) for n = 111030110192 and 111030110201.

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, 478887 + ... + 671857.

It is an arithmetic number, because the mean of its divisors is an integer number (9253007400).

Almost surely, 2^111030110212 is an apocalyptic number.

It is an amenable number.

111030110212 is an abundant number, since it is smaller than the sum of its proper divisors (111042067388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111030110212 is a wasteful number, since it uses less digits than its factorization.

111030110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213531 (or 213529 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111030110212 its reverse (212011030111), we get a palindrome (323041140323).

The spelling of 111030110212 in words is "one hundred eleven billion, thirty million, one hundred ten thousand, two hundred twelve".