21004414012041 has 8 divisors (see below), whose sum is σ = 28400334439104. Its totient is φ = 13805718129840.

The previous prime is 21004414012037. The next prime is 21004414012051. The reversal of 21004414012041 is 14021041440012.

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

It is not a de Polignac number, because 21004414012041 - 2² = 21004414012037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21004414012051) 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, 49306135966 + ... + 49306136391.

It is an arithmetic number, because the mean of its divisors is an integer number (3550041804888).

Almost surely, 2^{21004414012041} is an apocalyptic number.

It is an amenable number.

21004414012041 is a deficient number, since it is larger than the sum of its proper divisors (7395920427063).

21004414012041 is an equidigital number, since it uses as much as digits as its factorization.

21004414012041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98612272431.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 21004414012041 its reverse (14021041440012), we get a palindrome (35025455452053).

The spelling of 21004414012041 in words is "twenty-one trillion, four billion, four hundred fourteen million, twelve thousand, forty-one".