213011100011 has 4 divisors (see below), whose sum is σ = 213116709912. Its totient is φ = 212905490112.

The previous prime is 213011100007. The next prime is 213011100037. The reversal of 213011100011 is 110001110312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213011100011 - 2² = 213011100007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213011099965 and 213011100001.

It is not an unprimeable number, because it can be changed into a prime (213011100061) 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, 52801925 + ... + 52805958.

It is an arithmetic number, because the mean of its divisors is an integer number (53279177478).

Almost surely, 2^213011100011 is an apocalyptic number.

213011100011 is a deficient number, since it is larger than the sum of its proper divisors (105609901).

213011100011 is a wasteful number, since it uses less digits than its factorization.

213011100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105609900.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 213011100011 its reverse (110001110312), we get a palindrome (323012210323).

The spelling of 213011100011 in words is "two hundred thirteen billion, eleven million, one hundred thousand, eleven".