2011100212 has 24 divisors (see below), whose sum is σ = 3841437600. Its totient is φ = 913644960.

The previous prime is 2011100191. The next prime is 2011100219. The reversal of 2011100212 is 2120011102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011100219) 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, 77914 + ... + 100462.

It is an arithmetic number, because the mean of its divisors is an integer number (160059900).

Almost surely, 2^2011100212 is an apocalyptic number.

2011100212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2011100212 is a deficient number, since it is larger than the sum of its proper divisors (1830337388).

2011100212 is a wasteful number, since it uses less digits than its factorization.

2011100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24591 (or 24589 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2011100212 is about 44845.2919713987. The cubic root of 2011100212 is about 1262.2476493572.

Adding to 2011100212 its reverse (2120011102), we get a palindrome (4131111314).

The spelling of 2011100212 in words is "two billion, eleven million, one hundred thousand, two hundred twelve".