2102103213 has 16 divisors (see below), whose sum is σ = 3206160000. Its totient is φ = 1200093696.

The previous prime is 2102103191. The next prime is 2102103217. The reversal of 2102103213 is 3123012012.

It is not a de Polignac number, because 2102103213 - 2⁵ = 2102103181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102103192 and 2102103201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102103217) 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, 22588 + ... + 68661.

It is an arithmetic number, because the mean of its divisors is an integer number (200385000).

Almost surely, 2^2102103213 is an apocalyptic number.

It is an amenable number.

2102103213 is a deficient number, since it is larger than the sum of its proper divisors (1104056787).

2102103213 is a wasteful number, since it uses less digits than its factorization.

2102103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92356.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2102103213 is about 45848.6991418513. The cubic root of 2102103213 is about 1281.0065351616.

Adding to 2102103213 its reverse (3123012012), we get a palindrome (5225115225).

The spelling of 2102103213 in words is "two billion, one hundred two million, one hundred three thousand, two hundred thirteen".