214242131111 has 4 divisors (see below), whose sum is σ = 214249625472. Its totient is φ = 214234636752.

The previous prime is 214242131107. The next prime is 214242131113. The reversal of 214242131111 is 111131242412.

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 214242131111 - 2² = 214242131107 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 (214242131113) 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, 3704135 + ... + 3761528.

It is an arithmetic number, because the mean of its divisors is an integer number (53562406368).

Almost surely, 2^214242131111 is an apocalyptic number.

214242131111 is a deficient number, since it is larger than the sum of its proper divisors (7494361).

214242131111 is an equidigital number, since it uses as much as digits as its factorization.

214242131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494360.

The product of its digits is 384, while the sum is 23.

Adding to 214242131111 its reverse (111131242412), we get a palindrome (325373373523).

The spelling of 214242131111 in words is "two hundred fourteen billion, two hundred forty-two million, one hundred thirty-one thousand, one hundred eleven".