111101210012 has 12 divisors (see below), whose sum is σ = 209383049736. Its totient is φ = 51277481520.

The previous prime is 111101209963. The next prime is 111101210021. The reversal of 111101210012 is 210012101111.

It is a super-4 number, since 4×111101210012⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111101209975 and 111101210002.

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, 1068280814 + ... + 1068280917.

It is an arithmetic number, because the mean of its divisors is an integer number (17448587478).

Almost surely, 2^111101210012 is an apocalyptic number.

It is an amenable number.

111101210012 is a deficient number, since it is larger than the sum of its proper divisors (98281839724).

111101210012 is a wasteful number, since it uses less digits than its factorization.

111101210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136561748 (or 2136561746 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111101210012 its reverse (210012101111), we get a palindrome (321113311123).

The spelling of 111101210012 in words is "one hundred eleven billion, one hundred one million, two hundred ten thousand, twelve".