100111102012 has 24 divisors (see below), whose sum is σ = 175930296192. Its totient is φ = 49845390000.

The previous prime is 100111101953. The next prime is 100111102019. The reversal of 100111102012 is 210201111001.

It is a self number, because there is not a number n which added to its sum of digits gives 100111102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111102019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6810823 + ... + 6825505.

It is an arithmetic number, because the mean of its divisors is an integer number (7330429008).

Almost surely, 2^100111102012 is an apocalyptic number.

It is an amenable number.

100111102012 is a deficient number, since it is larger than the sum of its proper divisors (75819194180).

100111102012 is a wasteful number, since it uses less digits than its factorization.

100111102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21729 (or 21727 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100111102012 its reverse (210201111001), we get a palindrome (310312213013).

The spelling of 100111102012 in words is "one hundred billion, one hundred eleven million, one hundred two thousand, twelve".