212111032111301 has 4 divisors (see below), whose sum is σ = 212114677377900. Its totient is φ = 212107386844704.

The previous prime is 212111032111261. The next prime is 212111032111343. The reversal of 212111032111301 is 103111230111212.

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 122756095816225 + 89354936295076 = 11079535^2 + 9452774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212111032111301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111035111301) 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, 1822546016 + ... + 1822662393.

It is an arithmetic number, because the mean of its divisors is an integer number (53028669344475).

Almost surely, 2^{212111032111301} is an apocalyptic number.

It is an amenable number.

212111032111301 is a deficient number, since it is larger than the sum of its proper divisors (3645266599).

212111032111301 is an equidigital number, since it uses as much as digits as its factorization.

212111032111301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645266598.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 212111032111301 its reverse (103111230111212), we get a palindrome (315222262222513).

The spelling of 212111032111301 in words is "two hundred twelve trillion, one hundred eleven billion, thirty-two million, one hundred eleven thousand, three hundred one".