2103213211 has 4 divisors (see below), whose sum is σ = 2294414424. Its totient is φ = 1912012000.

The previous prime is 2103213209. The next prime is 2103213223. The reversal of 2103213211 is 1123123012.

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 2103213211 - 2¹ = 2103213209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103213611) 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, 95600590 + ... + 95600611.

It is an arithmetic number, because the mean of its divisors is an integer number (573603606).

Almost surely, 2^2103213211 is an apocalyptic number.

2103213211 is a deficient number, since it is larger than the sum of its proper divisors (191201213).

2103213211 is a wasteful number, since it uses less digits than its factorization.

2103213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191201212.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2103213211 is about 45860.8025551233. The cubic root of 2103213211 is about 1281.2319704114.

Adding to 2103213211 its reverse (1123123012), we get a palindrome (3226336223).

It can be divided in two parts, 21032 and 13211, that added together give a palindrome (34243).

The spelling of 2103213211 in words is "two billion, one hundred three million, two hundred thirteen thousand, two hundred eleven".