214261221311 has 4 divisors (see below), whose sum is σ = 214266420432. Its totient is φ = 214256022192.

The previous prime is 214261221299. The next prime is 214261221329. The reversal of 214261221311 is 113122162412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214261221311 - 2⁶ = 214261221247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214261221511) 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, 2537246 + ... + 2620331.

It is an arithmetic number, because the mean of its divisors is an integer number (53566605108).

Almost surely, 2^214261221311 is an apocalyptic number.

214261221311 is a deficient number, since it is larger than the sum of its proper divisors (5199121).

214261221311 is an equidigital number, since it uses as much as digits as its factorization.

214261221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199120.

The product of its digits is 1152, while the sum is 26.

Adding to 214261221311 its reverse (113122162412), we get a palindrome (327383383723).

The spelling of 214261221311 in words is "two hundred fourteen billion, two hundred sixty-one million, two hundred twenty-one thousand, three hundred eleven".