2111000211112 has 64 divisors (see below), whose sum is σ = 4418566588800. Its totient is φ = 938794402560.

The previous prime is 2111000211091. The next prime is 2111000211113. The reversal of 2111000211112 is 2111120001112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2111000211092 and 2111000211101.

It is not an unprimeable number, because it can be changed into a prime (2111000211113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768093 + ... + 2193619.

It is an arithmetic number, because the mean of its divisors is an integer number (69040102950).

Almost surely, 2^{2111000211112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111000211112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2209283294400).

2111000211112 is an abundant number, since it is smaller than the sum of its proper divisors (2307566377688).

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

2111000211112 is a wasteful number, since it uses less digits than its factorization.

2111000211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426066 (or 1426062 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2111000211112 its reverse (2111120001112), we get a palindrome (4222120212224).

The spelling of 2111000211112 in words is "two trillion, one hundred eleven billion, two hundred eleven thousand, one hundred twelve".