210021200022201 has 16 divisors (see below), whose sum is σ = 289062666567168. Its totient is φ = 135496971849600.

The previous prime is 210021200022103. The next prime is 210021200022209. The reversal of 210021200022201 is 102220002120012.

It is not a de Polignac number, because 210021200022201 - 2²⁹ = 210020663151289 is a prime.

It is a super-2 number, since 2×210021200022201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210021200022209) 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, 17734605 + ... + 27102741.

It is an arithmetic number, because the mean of its divisors is an integer number (18066416660448).

Almost surely, 2^{210021200022201} is an apocalyptic number.

It is an amenable number.

210021200022201 is a deficient number, since it is larger than the sum of its proper divisors (79041466544967).

210021200022201 is a wasteful number, since it uses less digits than its factorization.

210021200022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9609232.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210021200022201 its reverse (102220002120012), we get a palindrome (312241202142213).

The spelling of 210021200022201 in words is "two hundred ten trillion, twenty-one billion, two hundred million, twenty-two thousand, two hundred one".