213333101221333 has 4 divisors (see below), whose sum is σ = 213347489386240. Its totient is φ = 213318713056428.

The previous prime is 213333101221309. The next prime is 213333101221363. The reversal of 213333101221333 is 333122101333312.

It is a happy number.

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 not a de Polignac number, because 213333101221333 - 2⁹ = 213333101220821 is a prime.

It is a super-2 number, since 2×213333101221333² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213333101221295 and 213333101221304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213333101221363) 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, 7194060213 + ... + 7194089866.

It is an arithmetic number, because the mean of its divisors is an integer number (53336872346560).

Almost surely, 2^{213333101221333} is an apocalyptic number.

It is an amenable number.

213333101221333 is a deficient number, since it is larger than the sum of its proper divisors (14388164907).

213333101221333 is a wasteful number, since it uses less digits than its factorization.

213333101221333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14388164906.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 213333101221333 its reverse (333122101333312), we get a palindrome (546455202554645).

The spelling of 213333101221333 in words is "two hundred thirteen trillion, three hundred thirty-three billion, one hundred one million, two hundred twenty-one thousand, three hundred thirty-three".