2100120002213 has 16 divisors (see below), whose sum is σ = 2172079902720. Its totient is φ = 2028425500800.

The previous prime is 2100120002203. The next prime is 2100120002237. The reversal of 2100120002213 is 3122000210012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2100120002213 - 2⁸ = 2100120001957 is a prime.

It is a super-2 number, since 2×2100120002213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100120002203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71885153 + ... + 71914361.

It is an arithmetic number, because the mean of its divisors is an integer number (135754993920).

Almost surely, 2^{2100120002213} is an apocalyptic number.

It is an amenable number.

2100120002213 is a deficient number, since it is larger than the sum of its proper divisors (71959900507).

2100120002213 is a wasteful number, since it uses less digits than its factorization.

2100120002213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33668.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2100120002213 its reverse (3122000210012), we get a palindrome (5222120212225).

The spelling of 2100120002213 in words is "two trillion, one hundred billion, one hundred twenty million, two thousand, two hundred thirteen".