21025324445030 has 8 divisors (see below), whose sum is σ = 37845584001072. Its totient is φ = 8410129778008.

The previous prime is 21025324445009. The next prime is 21025324445119. The reversal of 21025324445030 is 3054442352012.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051266222242 + ... + 1051266222261.

It is an arithmetic number, because the mean of its divisors is an integer number (4730698000134).

Almost surely, 2^{21025324445030} is an apocalyptic number.

21025324445030 is a deficient number, since it is larger than the sum of its proper divisors (16820259556042).

21025324445030 is a wasteful number, since it uses less digits than its factorization.

21025324445030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102532444510.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 21025324445030 its reverse (3054442352012), we get a palindrome (24079766797042).

The spelling of 21025324445030 in words is "twenty-one trillion, twenty-five billion, three hundred twenty-four million, four hundred forty-five thousand, thirty".