210021133021207 has 8 divisors (see below), whose sum is σ = 217713243226896. Its totient is φ = 202435120887552.

The previous prime is 210021133021201. The next prime is 210021133021417. The reversal of 210021133021207 is 702120331120012.

210021133021207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210021133021207 - 2⁴³ = 201225039998999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210021133021201) 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, 26524513978 + ... + 26524521895.

It is an arithmetic number, because the mean of its divisors is an integer number (27214155403362).

Almost surely, 2^{210021133021207} is an apocalyptic number.

210021133021207 is a deficient number, since it is larger than the sum of its proper divisors (7692110205689).

210021133021207 is a wasteful number, since it uses less digits than its factorization.

210021133021207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53049036017.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 210021133021207 its reverse (702120331120012), we get a palindrome (912141464141219).

The spelling of 210021133021207 in words is "two hundred ten trillion, twenty-one billion, one hundred thirty-three million, twenty-one thousand, two hundred seven".