220302121111 has 4 divisors (see below), whose sum is σ = 221983816824. Its totient is φ = 218620425400.

The previous prime is 220302121087. The next prime is 220302121133. The reversal of 220302121111 is 111121203022.

220302121111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220302121111 - 2⁵ = 220302121079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220302124111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840847660 + ... + 840847921.

It is an arithmetic number, because the mean of its divisors is an integer number (55495954206).

Almost surely, 2^220302121111 is an apocalyptic number.

220302121111 is a deficient number, since it is larger than the sum of its proper divisors (1681695713).

220302121111 is a wasteful number, since it uses less digits than its factorization.

220302121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681695712.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 220302121111 its reverse (111121203022), we get a palindrome (331423324133).

The spelling of 220302121111 in words is "two hundred twenty billion, three hundred two million, one hundred twenty-one thousand, one hundred eleven".