220111022111 has 8 divisors (see below), whose sum is σ = 236341247904. Its totient is φ = 204245520640.

The previous prime is 220111022099. The next prime is 220111022149. The reversal of 220111022111 is 111220111022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220111022111 - 2¹⁰ = 220111021087 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 (220611022111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91179830 + ... + 91182243.

It is an arithmetic number, because the mean of its divisors is an integer number (29542655988).

Almost surely, 2^220111022111 is an apocalyptic number.

220111022111 is a deficient number, since it is larger than the sum of its proper divisors (16230225793).

220111022111 is a wasteful number, since it uses less digits than its factorization.

220111022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182362161.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220111022111 its reverse (111220111022), we get a palindrome (331331133133).

It can be divided in two parts, 220111022 and 111, that multiplied together give a palindrome (24432323442).

The spelling of 220111022111 in words is "two hundred twenty billion, one hundred eleven million, twenty-two thousand, one hundred eleven".