21120201010303 has 8 divisors (see below), whose sum is σ = 21172895486640. Its totient is φ = 21067518514560.

The previous prime is 21120201010301. The next prime is 21120201010309. The reversal of 21120201010303 is 30301010202112.

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 21120201010303 - 2¹ = 21120201010301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21120201010301) 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, 540183 + ... + 6521671.

It is an arithmetic number, because the mean of its divisors is an integer number (2646611935830).

Almost surely, 2^{21120201010303} is an apocalyptic number.

21120201010303 is a deficient number, since it is larger than the sum of its proper divisors (52694476337).

21120201010303 is an equidigital number, since it uses as much as digits as its factorization.

21120201010303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990297.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21120201010303 its reverse (30301010202112), we get a palindrome (51421211212415).

The spelling of 21120201010303 in words is "twenty-one trillion, one hundred twenty billion, two hundred one million, ten thousand, three hundred three".