213022020011 has 16 divisors (see below), whose sum is σ = 227646609408. Its totient is φ = 198901164000.

The previous prime is 213022020007. The next prime is 213022020053. The reversal of 213022020011 is 110020220312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213022020011 - 2² = 213022020007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213022020091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480851 + ... + 810716.

It is an arithmetic number, because the mean of its divisors is an integer number (14227913088).

Almost surely, 2^213022020011 is an apocalyptic number.

213022020011 is a deficient number, since it is larger than the sum of its proper divisors (14624589397).

213022020011 is a wasteful number, since it uses less digits than its factorization.

213022020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291762.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 213022020011 its reverse (110020220312), we get a palindrome (323042240323).

The spelling of 213022020011 in words is "two hundred thirteen billion, twenty-two million, twenty thousand, eleven".