2111110012 has 24 divisors (see below), whose sum is σ = 4051418112. Its totient is φ = 954567600.

The previous prime is 2111109961. The next prime is 2111110019. The reversal of 2111110012 is 2100111112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111110019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117198 + ... + 134005.

It is an arithmetic number, because the mean of its divisors is an integer number (168809088).

Almost surely, 2^2111110012 is an apocalyptic number.

2111110012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2111110012 is a deficient number, since it is larger than the sum of its proper divisors (1940308100).

2111110012 is a wasteful number, since it uses less digits than its factorization.

2111110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251409 (or 251407 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 2111110012 is about 45946.8172129474. The cubic root of 2111110012 is about 1282.8334877976.

Adding to 2111110012 its reverse (2100111112), we get a palindrome (4211221124).

It can be divided in two parts, 21111100 and 12, that added together give a palindrome (21111112).

The spelling of 2111110012 in words is "two billion, one hundred eleven million, one hundred ten thousand, twelve".