210000022210001 has 4 divisors (see below), whose sum is σ = 213559344620400. Its totient is φ = 206440699799604.

The previous prime is 210000022209983. The next prime is 210000022210007. The reversal of 210000022210001 is 100012220000012.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-210000022210001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210000022210007) 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, 1779661205111 + ... + 1779661205228.

It is an arithmetic number, because the mean of its divisors is an integer number (53389836155100).

Almost surely, 2^{210000022210001} is an apocalyptic number.

It is an amenable number.

210000022210001 is a deficient number, since it is larger than the sum of its proper divisors (3559322410399).

210000022210001 is an equidigital number, since it uses as much as digits as its factorization.

210000022210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559322410398.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210000022210001 its reverse (100012220000012), we get a palindrome (310012242210013).

The spelling of 210000022210001 in words is "two hundred ten trillion, twenty-two million, two hundred ten thousand, one".