213233202011 has 4 divisors (see below), whose sum is σ = 213537387024. Its totient is φ = 212929017000.

The previous prime is 213233201971. The next prime is 213233202029. The reversal of 213233202011 is 110202332312.

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 213233202011 - 2¹⁰ = 213233200987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213233202041) 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, 152091455 + ... + 152092856.

It is an arithmetic number, because the mean of its divisors is an integer number (53384346756).

Almost surely, 2^213233202011 is an apocalyptic number.

213233202011 is a deficient number, since it is larger than the sum of its proper divisors (304185013).

213233202011 is an equidigital number, since it uses as much as digits as its factorization.

213233202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304185012.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213233202011 its reverse (110202332312), we get a palindrome (323435534323).

The spelling of 213233202011 in words is "two hundred thirteen billion, two hundred thirty-three million, two hundred two thousand, eleven".