213111311122003 has 8 divisors (see below), whose sum is σ = 243628639620608. Its totient is φ = 182612196493704.

The previous prime is 213111311121923. The next prime is 213111311122013. The reversal of 213111311122003 is 300221113111312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213111311122003 - 2⁴¹ = 210912287866451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213111311122013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4553442501 + ... + 4553489302.

It is an arithmetic number, because the mean of its divisors is an integer number (30453579952576).

Almost surely, 2^{213111311122003} is an apocalyptic number.

213111311122003 is a deficient number, since it is larger than the sum of its proper divisors (30517328498605).

213111311122003 is an equidigital number, since it uses as much as digits as its factorization.

213111311122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106935153.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 213111311122003 its reverse (300221113111312), we get a palindrome (513332424233315).

The spelling of 213111311122003 in words is "two hundred thirteen trillion, one hundred eleven billion, three hundred eleven million, one hundred twenty-two thousand, three".