213221302033311 has 32 divisors (see below), whose sum is σ = 371107782877440. Its totient is φ = 119284644492000.

The previous prime is 213221302033277. The next prime is 213221302033321. The reversal of 213221302033311 is 113330203122312.

213221302033311 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 21 + 302 + 0 + 3 + 331 + 1 = 666.

It is not a de Polignac number, because 213221302033311 - 2⁹ = 213221302032799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213221302033321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27612182365 + ... + 27612190086.

It is an arithmetic number, because the mean of its divisors is an integer number (11597118214920).

Almost surely, 2^{213221302033311} is an apocalyptic number.

213221302033311 is a deficient number, since it is larger than the sum of its proper divisors (157886480844129).

213221302033311 is a wasteful number, since it uses less digits than its factorization.

213221302033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55224372484 (or 55224372478 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 213221302033311 its reverse (113330203122312), we get a palindrome (326551505155623).

The spelling of 213221302033311 in words is "two hundred thirteen trillion, two hundred twenty-one billion, three hundred two million, thirty-three thousand, three hundred eleven".