220311210221011 has 16 divisors (see below), whose sum is σ = 275597377736128. Its totient is φ = 171454589827200.

The previous prime is 220311210220993. The next prime is 220311210221021. The reversal of 220311210221011 is 110122012113022.

It is a cyclic number.

It is not a de Polignac number, because 220311210221011 - 2²⁷ = 220311076003283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220311210221011.

It is not an unprimeable number, because it can be changed into a prime (220311210221021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19844275680 + ... + 19844286781.

It is an arithmetic number, because the mean of its divisors is an integer number (17224836108508).

Almost surely, 2^{220311210221011} is an apocalyptic number.

220311210221011 is a deficient number, since it is larger than the sum of its proper divisors (55286167515117).

220311210221011 is a wasteful number, since it uses less digits than its factorization.

220311210221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39688562542.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 220311210221011 its reverse (110122012113022), we get a palindrome (330433222334033).

The spelling of 220311210221011 in words is "two hundred twenty trillion, three hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, eleven".