210021120120201 has 32 divisors (see below), whose sum is σ = 306436110140160. Its totient is φ = 127173755614464.

The previous prime is 210021120120139. The next prime is 210021120120209. The reversal of 210021120120201 is 102021021120012.

It is not a de Polignac number, because 210021120120201 - 2¹⁰ = 210021120119177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210021120120209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 165875946 + ... + 167137283.

It is an arithmetic number, because the mean of its divisors is an integer number (9576128441880).

Almost surely, 2^{210021120120201} is an apocalyptic number.

It is an amenable number.

210021120120201 is a deficient number, since it is larger than the sum of its proper divisors (96414990019959).

210021120120201 is a wasteful number, since it uses less digits than its factorization.

210021120120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333013505.

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

Adding to 210021120120201 its reverse (102021021120012), we get a palindrome (312042141240213).

The spelling of 210021120120201 in words is "two hundred ten trillion, twenty-one billion, one hundred twenty million, one hundred twenty thousand, two hundred one".