210344120402201 has 4 divisors (see below), whose sum is σ = 211016146346292. Its totient is φ = 209672094458112.

The previous prime is 210344120402189. The next prime is 210344120402249. The reversal of 210344120402201 is 102204021443012.

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 6401158062601 + 203942962339600 = 2530051^2 + 14280860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210344120402201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210344123402201) 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, 336012971576 + ... + 336012972201.

It is an arithmetic number, because the mean of its divisors is an integer number (52754036586573).

Almost surely, 2^{210344120402201} is an apocalyptic number.

It is an amenable number.

210344120402201 is a deficient number, since it is larger than the sum of its proper divisors (672025944091).

210344120402201 is an equidigital number, since it uses as much as digits as its factorization.

210344120402201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672025944090.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 210344120402201 its reverse (102204021443012), we get a palindrome (312548141845213).

The spelling of 210344120402201 in words is "two hundred ten trillion, three hundred forty-four billion, one hundred twenty million, four hundred two thousand, two hundred one".