211342023321 has 16 divisors (see below), whose sum is σ = 331053240000. Its totient is φ = 118233299520.

The previous prime is 211342023311. The next prime is 211342023323. The reversal of 211342023321 is 123320243112.

It is not a de Polignac number, because 211342023321 - 2¹¹ = 211342021273 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211342023291 and 211342023300.

It is not an unprimeable number, because it can be changed into a prime (211342023323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246318946 + ... + 246319803.

It is an arithmetic number, because the mean of its divisors is an integer number (20690827500).

Almost surely, 2^211342023321 is an apocalyptic number.

It is an amenable number.

211342023321 is a deficient number, since it is larger than the sum of its proper divisors (119711216679).

211342023321 is a wasteful number, since it uses less digits than its factorization.

211342023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492638776.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 211342023321 its reverse (123320243112), we get a palindrome (334662266433).

The spelling of 211342023321 in words is "two hundred eleven billion, three hundred forty-two million, twenty-three thousand, three hundred twenty-one".