210012010221001 has 4 divisors (see below), whose sum is σ = 216786591195904. Its totient is φ = 203237429246100.

The previous prime is 210012010220993. The next prime is 210012010221019. The reversal of 210012010221001 is 100122010210012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210012010221001 - 2³ = 210012010220993 is a prime.

It is a super-2 number, since 2×210012010221001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210012010221031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3387290487405 + ... + 3387290487466.

It is an arithmetic number, because the mean of its divisors is an integer number (54196647798976).

Almost surely, 2^{210012010221001} is an apocalyptic number.

It is an amenable number.

210012010221001 is a deficient number, since it is larger than the sum of its proper divisors (6774580974903).

210012010221001 is an equidigital number, since it uses as much as digits as its factorization.

210012010221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774580974902.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210012010221001 its reverse (100122010210012), we get a palindrome (310134020431013).

The spelling of 210012010221001 in words is "two hundred ten trillion, twelve billion, ten million, two hundred twenty-one thousand, one".