21114114411 has 16 divisors (see below), whose sum is σ = 30367683584. Its totient is φ = 12971880864.

The previous prime is 21114114389. The next prime is 21114114433. The reversal of 21114114411 is 11441141112.

It is an interprime number because it is at equal distance from previous prime (21114114389) and next prime (21114114433).

It is not a de Polignac number, because 21114114411 - 2¹⁰ = 21114113387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21114114481) 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, 422281 + ... + 469626.

It is an arithmetic number, because the mean of its divisors is an integer number (1897980224).

Almost surely, 2^21114114411 is an apocalyptic number.

21114114411 is a deficient number, since it is larger than the sum of its proper divisors (9253569173).

21114114411 is a wasteful number, since it uses less digits than its factorization.

21114114411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892530.

The product of its digits is 128, while the sum is 21.

Adding to 21114114411 its reverse (11441141112), we get a palindrome (32555255523).

The spelling of 21114114411 in words is "twenty-one billion, one hundred fourteen million, one hundred fourteen thousand, four hundred eleven".