213001222333 has 4 divisors (see below), whose sum is σ = 214678397440. Its totient is φ = 211324047228.

The previous prime is 213001222279. The next prime is 213001222351. The reversal of 213001222333 is 333222100312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213001222333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001222393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838587363 + ... + 838587616.

It is an arithmetic number, because the mean of its divisors is an integer number (53669599360).

Almost surely, 2^213001222333 is an apocalyptic number.

It is an amenable number.

213001222333 is a deficient number, since it is larger than the sum of its proper divisors (1677175107).

213001222333 is a wasteful number, since it uses less digits than its factorization.

213001222333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677175106.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 213001222333 its reverse (333222100312), we get a palindrome (546223322645).

The spelling of 213001222333 in words is "two hundred thirteen billion, one million, two hundred twenty-two thousand, three hundred thirty-three".