210022032212021 has 4 divisors (see below), whose sum is σ = 213984712065132. Its totient is φ = 206059352358912.

The previous prime is 210022032212011. The next prime is 210022032212029. The reversal of 210022032212021 is 120212230220012.

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 102102658231396 + 107919373980625 = 10104586^2 + 10388425^2 .

It is a cyclic number.

It is not a de Polignac number, because 210022032212021 - 2³⁴ = 210004852342837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210022032211984 and 210022032212002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022032212029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1981339926476 + ... + 1981339926581.

It is an arithmetic number, because the mean of its divisors is an integer number (53496178016283).

Almost surely, 2^{210022032212021} is an apocalyptic number.

It is an amenable number.

210022032212021 is a deficient number, since it is larger than the sum of its proper divisors (3962679853111).

210022032212021 is an equidigital number, since it uses as much as digits as its factorization.

210022032212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962679853110.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210022032212021 its reverse (120212230220012), we get a palindrome (330234262432033).

The spelling of 210022032212021 in words is "two hundred ten trillion, twenty-two billion, thirty-two million, two hundred twelve thousand, twenty-one".