21111411112 has 48 divisors (see below), whose sum is σ = 43532496000. Its totient is φ = 9591040800.

The previous prime is 21111411059. The next prime is 21111411253.

It is a happy number.

21111411112 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2317687 + ... + 2326777.

It is an arithmetic number, because the mean of its divisors is an integer number (906927000).

Almost surely, 2^21111411112 is an apocalyptic number.

21111411112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21111411112 is an abundant number, since it is smaller than the sum of its proper divisors (22421084888).

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

21111411112 is a wasteful number, since it uses less digits than its factorization.

21111411112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11518 (or 11503 counting only the distinct ones).

The product of its digits is 16, while the sum is 16.

The spelling of 21111411112 in words is "twenty-one billion, one hundred eleven million, four hundred eleven thousand, one hundred twelve".