213033333011 has 4 divisors (see below), whose sum is σ = 213146710800. Its totient is φ = 212919955224.

The previous prime is 213033332989. The next prime is 213033333017. The reversal of 213033333011 is 110333330312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213033333011 is a prime.

It is a super-2 number, since 2×213033333011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213033333017) 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, 56686076 + ... + 56689833.

It is an arithmetic number, because the mean of its divisors is an integer number (53286677700).

Almost surely, 2^213033333011 is an apocalyptic number.

213033333011 is a deficient number, since it is larger than the sum of its proper divisors (113377789).

213033333011 is a wasteful number, since it uses less digits than its factorization.

213033333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113377788.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 213033333011 its reverse (110333330312), we get a palindrome (323366663323).

The spelling of 213033333011 in words is "two hundred thirteen billion, thirty-three million, three hundred thirty-three thousand, eleven".