210102120200001 has 4 divisors (see below), whose sum is σ = 280136160266672. Its totient is φ = 140068080133332.

The previous prime is 210102120199967. The next prime is 210102120200009. The reversal of 210102120200001 is 100002021201012.

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 not a de Polignac number, because 210102120200001 - 2¹¹ = 210102120197953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210102120200001.

It is not an unprimeable number, because it can be changed into a prime (210102120200009) 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, 35017020033331 + ... + 35017020033336.

It is an arithmetic number, because the mean of its divisors is an integer number (70034040066668).

Almost surely, 2^{210102120200001} is an apocalyptic number.

It is an amenable number.

210102120200001 is a deficient number, since it is larger than the sum of its proper divisors (70034040066671).

210102120200001 is an equidigital number, since it uses as much as digits as its factorization.

210102120200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70034040066670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210102120200001 its reverse (100002021201012), we get a palindrome (310104141401013).

The spelling of 210102120200001 in words is "two hundred ten trillion, one hundred two billion, one hundred twenty million, two hundred thousand, one".