100203213211 has 4 divisors (see below), whose sum is σ = 100204202232. Its totient is φ = 100202224192.

The previous prime is 100203213199. The next prime is 100203213217. The reversal of 100203213211 is 112312302001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 100203213211 - 2²⁵ = 100169658779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100203213217) 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, 322621 + ... + 551806.

It is an arithmetic number, because the mean of its divisors is an integer number (25051050558).

Almost surely, 2^100203213211 is an apocalyptic number.

100203213211 is a deficient number, since it is larger than the sum of its proper divisors (989021).

100203213211 is an equidigital number, since it uses as much as digits as its factorization.

100203213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989020.

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

Adding to 100203213211 its reverse (112312302001), we get a palindrome (212515515212).

The spelling of 100203213211 in words is "one hundred billion, two hundred three million, two hundred thirteen thousand, two hundred eleven".