210202232010101 has 4 divisors (see below), whose sum is σ = 210230195597772. Its totient is φ = 210174268422432.

The previous prime is 210202232009951. The next prime is 210202232010137. The reversal of 210202232010101 is 101010232202012.

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 202509236369476 + 7692995640625 = 14230574^2 + 2773625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210202232010101 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 210202232010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210202232010151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13981782560 + ... + 13981797593.

It is an arithmetic number, because the mean of its divisors is an integer number (52557548899443).

Almost surely, 2^{210202232010101} is an apocalyptic number.

It is an amenable number.

210202232010101 is a deficient number, since it is larger than the sum of its proper divisors (27963587671).

210202232010101 is an equidigital number, since it uses as much as digits as its factorization.

210202232010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27963587670.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 210202232010101 its reverse (101010232202012), we get a palindrome (311212464212113).

The spelling of 210202232010101 in words is "two hundred ten trillion, two hundred two billion, two hundred thirty-two million, ten thousand, one hundred one".