211330322121 has 8 divisors (see below), whose sum is σ = 281778645024. Its totient is φ = 140884440320.

The previous prime is 211330322113. The next prime is 211330322129. The reversal of 211330322121 is 121223033112.

It is an interprime number because it is at equal distance from previous prime (211330322113) and next prime (211330322129).

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 211330322121 - 2³ = 211330322113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211330322129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397695 + ... + 762116.

It is an arithmetic number, because the mean of its divisors is an integer number (35222330628).

Almost surely, 2^211330322121 is an apocalyptic number.

It is an amenable number.

211330322121 is a deficient number, since it is larger than the sum of its proper divisors (70448322903).

211330322121 is a wasteful number, since it uses less digits than its factorization.

211330322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220551.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211330322121 its reverse (121223033112), we get a palindrome (332553355233).

The spelling of 211330322121 in words is "two hundred eleven billion, three hundred thirty million, three hundred twenty-two thousand, one hundred twenty-one".