2102212131203 has 4 divisors (see below), whose sum is σ = 2102253367368. Its totient is φ = 2102170895040.

The previous prime is 2102212131199. The next prime is 2102212131221. The reversal of 2102212131203 is 3021312122012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102212131203 - 2² = 2102212131199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102212131233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20541518 + ... + 20643603.

It is an arithmetic number, because the mean of its divisors is an integer number (525563341842).

Almost surely, 2^{2102212131203} is an apocalyptic number.

2102212131203 is a deficient number, since it is larger than the sum of its proper divisors (41236165).

2102212131203 is an equidigital number, since it uses as much as digits as its factorization.

2102212131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41236164.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2102212131203 its reverse (3021312122012), we get a palindrome (5123524253215).

The spelling of 2102212131203 in words is "two trillion, one hundred two billion, two hundred twelve million, one hundred thirty-one thousand, two hundred three".