21314112011 has 8 divisors (see below), whose sum is σ = 22444532880. Its totient is φ = 20184553728.

The previous prime is 21314111993. The next prime is 21314112019. The reversal of 21314112011 is 11021141312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21314112011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21314112019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164606 + ... + 264051.

It is an arithmetic number, because the mean of its divisors is an integer number (2805566610).

Almost surely, 2^21314112011 is an apocalyptic number.

21314112011 is a deficient number, since it is larger than the sum of its proper divisors (1130420869).

21314112011 is a wasteful number, since it uses less digits than its factorization.

21314112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431293.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 21314112011 its reverse (11021141312), we get a palindrome (32335253323).

The spelling of 21314112011 in words is "twenty-one billion, three hundred fourteen million, one hundred twelve thousand, eleven".