220211210011 has 4 divisors (see below), whose sum is σ = 237150533872. Its totient is φ = 203271886152.

The previous prime is 220211209973. The next prime is 220211210017. The reversal of 220211210011 is 110012112022.

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 220211210011 - 2¹⁷ = 220211078939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 16939323847 = 220211210011 / (2 + 2 + 0 + 2 + 1 + 1 + 2 + 1 + 0 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220211209973 and 220211210000.

It is not an unprimeable number, because it can be changed into a prime (220211210017) 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, 8469661911 + ... + 8469661936.

It is an arithmetic number, because the mean of its divisors is an integer number (59287633468).

Almost surely, 2^220211210011 is an apocalyptic number.

220211210011 is a deficient number, since it is larger than the sum of its proper divisors (16939323861).

220211210011 is a wasteful number, since it uses less digits than its factorization.

220211210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16939323860.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220211210011 its reverse (110012112022), we get a palindrome (330223322033).

The spelling of 220211210011 in words is "two hundred twenty billion, two hundred eleven million, two hundred ten thousand, eleven".