210222012021201 has 48 divisors (see below), whose sum is σ = 312600443697360. Its totient is φ = 136036892344320.

The previous prime is 210222012021169. The next prime is 210222012021257. The reversal of 210222012021201 is 102120210222012.

It is a happy number.

210222012021201 is a `hidden beast` number, since 2 + 102 + 220 + 120 + 21 + 201 = 666.

210222012021201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 45984513600 + 210176027507601 = 214440^2 + 14497449^2 .

It is not a de Polignac number, because 210222012021201 - 2⁵ = 210222012021169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210222012020201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3045381355 + ... + 3045450383.

It is an arithmetic number, because the mean of its divisors is an integer number (6512509243695).

Almost surely, 2^{210222012021201} is an apocalyptic number.

It is an amenable number.

210222012021201 is a deficient number, since it is larger than the sum of its proper divisors (102378431676159).

210222012021201 is a wasteful number, since it uses less digits than its factorization.

210222012021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90626 (or 90623 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210222012021201 its reverse (102120210222012), we get a palindrome (312342222243213).

The spelling of 210222012021201 in words is "two hundred ten trillion, two hundred twenty-two billion, twelve million, twenty-one thousand, two hundred one".