21214064325241 has 4 divisors (see below), whose sum is σ = 21323981757172. Its totient is φ = 21104146893312.

The previous prime is 21214064325221. The next prime is 21214064325281. The reversal of 21214064325241 is 14252346041212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13718104809616 + 7495959515625 = 3703796^2 + 2737875^2 .

It is a cyclic number.

It is not a de Polignac number, because 21214064325241 - 2⁹ = 21214064324729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21214064325241.

It is not an unprimeable number, because it can be changed into a prime (21214064325221) 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, 54958715676 + ... + 54958716061.

It is an arithmetic number, because the mean of its divisors is an integer number (5330995439293).

Almost surely, 2^{21214064325241} is an apocalyptic number.

It is an amenable number.

21214064325241 is a deficient number, since it is larger than the sum of its proper divisors (109917431931).

21214064325241 is a wasteful number, since it uses less digits than its factorization.

21214064325241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109917431930.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 21214064325241 in words is "twenty-one trillion, two hundred fourteen billion, sixty-four million, three hundred twenty-five thousand, two hundred forty-one".