2102001213 has 12 divisors (see below), whose sum is σ = 3034842720. Its totient is φ = 1293538896.

The previous prime is 2102001203. The next prime is 2102001233. The reversal of 2102001213 is 3121002012.

It is not a de Polignac number, because 2102001213 - 2⁶ = 2102001149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102001203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2072473 + ... + 2073486.

It is an arithmetic number, because the mean of its divisors is an integer number (252903560).

Almost surely, 2^2102001213 is an apocalyptic number.

It is an amenable number.

2102001213 is a deficient number, since it is larger than the sum of its proper divisors (932841507).

2102001213 is a wasteful number, since it uses less digits than its factorization.

2102001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4145988 (or 4145975 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2102001213 is about 45847.5867740059. The cubic root of 2102001213 is about 1280.9858154717.

Adding to 2102001213 its reverse (3121002012), we get a palindrome (5223003225).

The spelling of 2102001213 in words is "two billion, one hundred two million, one thousand, two hundred thirteen".