210222201102021 has 16 divisors (see below), whose sum is σ = 311443801093120. Its totient is φ = 140146557644160.

The previous prime is 210222201102007. The next prime is 210222201102031. The reversal of 210222201102021 is 120201102222012.

It is a happy number.

210222201102021 is a `hidden beast` number, since 210 + 22 + 220 + 1 + 10 + 202 + 1 = 666.

It is not a de Polignac number, because 210222201102021 - 2¹³ = 210222201093829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210222201101985 and 210222201102003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222201102031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41342245 + ... + 46147866.

It is an arithmetic number, because the mean of its divisors is an integer number (19465237568320).

Almost surely, 2^{210222201102021} is an apocalyptic number.

It is an amenable number.

210222201102021 is a deficient number, since it is larger than the sum of its proper divisors (101221599991099).

210222201102021 is an equidigital number, since it uses as much as digits as its factorization.

210222201102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87579113 (or 87579107 counting only the distinct ones).

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

Adding to 210222201102021 its reverse (120201102222012), we get a palindrome (330423303324033).

The spelling of 210222201102021 in words is "two hundred ten trillion, two hundred twenty-two billion, two hundred one million, one hundred two thousand, twenty-one".