2101110011212 has 12 divisors (see below), whose sum is σ = 3682678783896. Its totient is φ = 1048916072960.

The previous prime is 2101110011153. The next prime is 2101110011213. The reversal of 2101110011212 is 2121100111012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101110011192 and 2101110011201.

It is not an unprimeable number, because it can be changed into a prime (2101110011213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409730278 + ... + 409735405.

It is an arithmetic number, because the mean of its divisors is an integer number (306889898658).

Almost surely, 2^{2101110011212} is an apocalyptic number.

It is an amenable number.

2101110011212 is a deficient number, since it is larger than the sum of its proper divisors (1581568772684).

2101110011212 is a wasteful number, since it uses less digits than its factorization.

2101110011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819466328 (or 819466326 counting only the distinct ones).

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

Adding to 2101110011212 its reverse (2121100111012), we get a palindrome (4222210122224).

The spelling of 2101110011212 in words is "two trillion, one hundred one billion, one hundred ten million, eleven thousand, two hundred twelve".