213303203111001 has 4 divisors (see below), whose sum is σ = 284404270814672. Its totient is φ = 142202135407332.

The previous prime is 213303203110931. The next prime is 213303203111179. The reversal of 213303203111001 is 100111302303312.

It is a happy number.

213303203111001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213303203111001 - 2²² = 213303198916697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213303203115001) 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, 35550533851831 + ... + 35550533851836.

It is an arithmetic number, because the mean of its divisors is an integer number (71101067703668).

Almost surely, 2^{213303203111001} is an apocalyptic number.

It is an amenable number.

213303203111001 is a deficient number, since it is larger than the sum of its proper divisors (71101067703671).

213303203111001 is an equidigital number, since it uses as much as digits as its factorization.

213303203111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71101067703670.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213303203111001 its reverse (100111302303312), we get a palindrome (313414505414313).

The spelling of 213303203111001 in words is "two hundred thirteen trillion, three hundred three billion, two hundred three million, one hundred eleven thousand, one".