210021101010201 has 16 divisors (see below), whose sum is σ = 306680095350720. Its totient is φ = 127053182356800.

The previous prime is 210021101010187. The next prime is 210021101010211. The reversal of 210021101010201 is 102010101120012.

It is not a de Polignac number, because 210021101010201 - 2²¹ = 210021098913049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210021101010211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45636916650 + ... + 45636921251.

It is an arithmetic number, because the mean of its divisors is an integer number (19167505959420).

Almost surely, 2^{210021101010201} is an apocalyptic number.

It is an amenable number.

210021101010201 is a deficient number, since it is larger than the sum of its proper divisors (96658994340519).

210021101010201 is a wasteful number, since it uses less digits than its factorization.

210021101010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91273837976.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210021101010201 its reverse (102010101120012), we get a palindrome (312031202130213).

The spelling of 210021101010201 in words is "two hundred ten trillion, twenty-one billion, one hundred one million, ten thousand, two hundred one".