21114122241 has 8 divisors (see below), whose sum is σ = 28165777920. Its totient is φ = 14069274032.

The previous prime is 21114122233. The next prime is 21114122269. The reversal of 21114122241 is 14222141112.

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

It is a cyclic number.

It is not a de Polignac number, because 21114122241 - 2³ = 21114122233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21114122201) 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, 1694625 + ... + 1707038.

It is an arithmetic number, because the mean of its divisors is an integer number (3520722240).

Almost surely, 2^21114122241 is an apocalyptic number.

It is an amenable number.

21114122241 is a deficient number, since it is larger than the sum of its proper divisors (7051655679).

21114122241 is a wasteful number, since it uses less digits than its factorization.

21114122241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403735.

The product of its digits is 256, while the sum is 21.

Adding to 21114122241 its reverse (14222141112), we get a palindrome (35336263353).

The spelling of 21114122241 in words is "twenty-one billion, one hundred fourteen million, one hundred twenty-two thousand, two hundred forty-one".