2111101111112 has 32 divisors (see below), whose sum is σ = 4525318307520. Its totient is φ = 904451576640.

The previous prime is 2111101111109. The next prime is 2111101111129. The reversal of 2111101111112 is 2111111011112.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 6208814 + ... + 6539997.

It is an arithmetic number, because the mean of its divisors is an integer number (141416197110).

Almost surely, 2^{2111101111112} is an apocalyptic number.

It is an amenable number.

2111101111112 is an abundant number, since it is smaller than the sum of its proper divisors (2414217196408).

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

2111101111112 is a wasteful number, since it uses less digits than its factorization.

2111101111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751781 (or 12751777 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 2111101111112 its reverse (2111111011112), we get a palindrome (4222212122224).

The spelling of 2111101111112 in words is "two trillion, one hundred eleven billion, one hundred one million, one hundred eleven thousand, one hundred twelve".