2111111111104 has 28 divisors (see below), whose sum is σ = 4260240120600. Its totient is φ = 1037664781568.

The previous prime is 2111111111063. The next prime is 2111111111111. The reversal of 2111111111104 is 4011111111112.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279539539 + ... + 279547090.

Almost surely, 2^{2111111111104} is an apocalyptic number.

It is an amenable number.

2111111111104 is an abundant number, since it is smaller than the sum of its proper divisors (2149129009496).

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

2111111111104 is an equidigital number, since it uses as much as digits as its factorization.

2111111111104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559086700 (or 559086690 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 2111111111104 its reverse (4011111111112), we get a palindrome (6122222222216).

The spelling of 2111111111104 in words is "two trillion, one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred four".