210021212100201 has 8 divisors (see below), whose sum is σ = 280028405684640. Its totient is φ = 140014079957952.

The previous prime is 210021212100143. The next prime is 210021212100223. The reversal of 210021212100201 is 102001212120012.

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

It is not a de Polignac number, because 210021212100201 - 2²² = 210021207905897 is a prime.

It is a super-2 number, since 2×210021212100201² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210021212120201) 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, 6684736 + ... + 21557553.

It is an arithmetic number, because the mean of its divisors is an integer number (35003550710580).

Almost surely, 2^{210021212100201} is an apocalyptic number.

It is an amenable number.

210021212100201 is a deficient number, since it is larger than the sum of its proper divisors (70007193584439).

210021212100201 is a wasteful number, since it uses less digits than its factorization.

210021212100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30721095.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210021212100201 its reverse (102001212120012), we get a palindrome (312022424220213).

The spelling of 210021212100201 in words is "two hundred ten trillion, twenty-one billion, two hundred twelve million, one hundred thousand, two hundred one".