2103212133 has 24 divisors (see below), whose sum is σ = 3351404160. Its totient is φ = 1260346560.

The previous prime is 2103212131. The next prime is 2103212141. The reversal of 2103212133 is 3312123012.

2103212133 is a `hidden beast` number, since 210 + 321 + 2 + 133 = 666.

It is not a de Polignac number, because 2103212133 - 2¹ = 2103212131 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103212131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110541 + ... + 128162.

It is an arithmetic number, because the mean of its divisors is an integer number (139641840).

Almost surely, 2^2103212133 is an apocalyptic number.

It is an amenable number.

2103212133 is a deficient number, since it is larger than the sum of its proper divisors (1248192027).

2103212133 is a wasteful number, since it uses less digits than its factorization.

2103212133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238809 (or 238806 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2103212133 is about 45860.7908021656. The cubic root of 2103212133 is about 1281.2317515132.

Adding to 2103212133 its reverse (3312123012), we get a palindrome (5415335145).

The spelling of 2103212133 in words is "two billion, one hundred three million, two hundred twelve thousand, one hundred thirty-three".