111100211012 has 12 divisors (see below), whose sum is σ = 222200422080. Its totient is φ = 47614376136.

The previous prime is 111100210999. The next prime is 111100211021. The reversal of 111100211012 is 210112001111.

111100211012 is an admirable number.

It is a super-3 number, since 3×111100211012³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111100210984 and 111100211002.

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, 1983932312 + ... + 1983932367.

It is an arithmetic number, because the mean of its divisors is an integer number (18516701840).

Almost surely, 2^111100211012 is an apocalyptic number.

It is an amenable number.

111100211012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111100211012 is a wasteful number, since it uses less digits than its factorization.

111100211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967864690 (or 3967864688 counting only the distinct ones).

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

Adding to 111100211012 its reverse (210112001111), we get a palindrome (321212212123).

The spelling of 111100211012 in words is "one hundred eleven billion, one hundred million, two hundred eleven thousand, twelve".