2111001011112 has 96 divisors (see below), whose sum is σ = 6148685440800. Its totient is φ = 602204916096.

The previous prime is 2111001011107. The next prime is 2111001011117. The reversal of 2111001011112 is 2111101001112.

It is an interprime number because it is at equal distance from previous prime (2111001011107) and next prime (2111001011117).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2111001011117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 639687 + ... + 2152022.

It is an arithmetic number, because the mean of its divisors is an integer number (64048806675).

Almost surely, 2^{2111001011112} is an apocalyptic number.

It is an amenable number.

2111001011112 is an abundant number, since it is smaller than the sum of its proper divisors (4037684429688).

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

2111001011112 is a wasteful number, since it uses less digits than its factorization.

2111001011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792375 (or 2792364 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2111001011112 its reverse (2111101001112), we get a palindrome (4222102012224).

The spelling of 2111001011112 in words is "two trillion, one hundred eleven billion, one million, eleven thousand, one hundred twelve".