210022121212201 has 4 divisors (see below), whose sum is σ = 211088223350532. Its totient is φ = 208956019073872.

The previous prime is 210022121212171. The next prime is 210022121212297. The reversal of 210022121212201 is 102212121220012.

210022121212201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 151729674979600 + 58292446232601 = 12317860^2 + 7634949^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022121212201 - 2³⁹ = 209472365398313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210022221212201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533051068870 + ... + 533051069263.

It is an arithmetic number, because the mean of its divisors is an integer number (52772055837633).

Almost surely, 2^{210022121212201} is an apocalyptic number.

It is an amenable number.

210022121212201 is a deficient number, since it is larger than the sum of its proper divisors (1066102138331).

210022121212201 is a wasteful number, since it uses less digits than its factorization.

210022121212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066102138330.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210022121212201 its reverse (102212121220012), we get a palindrome (312234242432213).

The spelling of 210022121212201 in words is "two hundred ten trillion, twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, two hundred one".