211300022331221 has 8 divisors (see below), whose sum is σ = 213030757438464. Its totient is φ = 209576280093840.

The previous prime is 211300022331199. The next prime is 211300022331239. The reversal of 211300022331221 is 122133220003112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211300022331221 - 2¹⁸ = 211300022069077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211300022331421) 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 7 ways as a sum of consecutive naturals, for example, 1748156786 + ... + 1748277651.

It is an arithmetic number, because the mean of its divisors is an integer number (26628844679808).

Almost surely, 2^{211300022331221} is an apocalyptic number.

It is an amenable number.

211300022331221 is a deficient number, since it is larger than the sum of its proper divisors (1730735107243).

211300022331221 is a wasteful number, since it uses less digits than its factorization.

211300022331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496434931.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 211300022331221 its reverse (122133220003112), we get a palindrome (333433242334333).

The spelling of 211300022331221 in words is "two hundred eleven trillion, three hundred billion, twenty-two million, three hundred thirty-one thousand, two hundred twenty-one".