213001201111 has 8 divisors (see below), whose sum is σ = 217490876064. Its totient is φ = 208528962720.

The previous prime is 213001201081. The next prime is 213001201139. The reversal of 213001201111 is 111102100312.

It is a happy number.

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 213001201111 - 2⁵ = 213001201079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213001201091 and 213001201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001208111) 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 7 ways as a sum of consecutive naturals, for example, 4334451 + ... + 4383316.

It is an arithmetic number, because the mean of its divisors is an integer number (27186359508).

Almost surely, 2^213001201111 is an apocalyptic number.

213001201111 is a deficient number, since it is larger than the sum of its proper divisors (4489674953).

213001201111 is an equidigital number, since it uses as much as digits as its factorization.

213001201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718281.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 213001201111 its reverse (111102100312), we get a palindrome (324103301423).

The spelling of 213001201111 in words is "two hundred thirteen billion, one million, two hundred one thousand, one hundred eleven".