21114133333211 has 4 divisors (see below), whose sum is σ = 21189272598024. Its totient is φ = 21038994068400.

The previous prime is 21114133333207. The next prime is 21114133333217. The reversal of 21114133333211 is 11233333141112.

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 21114133333211 - 2² = 21114133333207 is a prime.

It is a super-2 number, since 2×21114133333211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21114133333217) 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, 37569631985 + ... + 37569632546.

It is an arithmetic number, because the mean of its divisors is an integer number (5297318149506).

Almost surely, 2^{21114133333211} is an apocalyptic number.

21114133333211 is a deficient number, since it is larger than the sum of its proper divisors (75139264813).

21114133333211 is an equidigital number, since it uses as much as digits as its factorization.

21114133333211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75139264812.

The product of its digits is 3888, while the sum is 29.

Adding to 21114133333211 its reverse (11233333141112), we get a palindrome (32347466474323).

The spelling of 21114133333211 in words is "twenty-one trillion, one hundred fourteen billion, one hundred thirty-three million, three hundred thirty-three thousand, two hundred eleven".