220311120111 has 8 divisors (see below), whose sum is σ = 299290578480. Its totient is φ = 144102870912.

The previous prime is 220311120047. The next prime is 220311120143. The reversal of 220311120111 is 111021113022.

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

It is not a de Polignac number, because 220311120111 - 2⁶ = 220311120047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220311120151) 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, 692802106 + ... + 692802423.

It is an arithmetic number, because the mean of its divisors is an integer number (37411322310).

Almost surely, 2^220311120111 is an apocalyptic number.

220311120111 is a deficient number, since it is larger than the sum of its proper divisors (78979458369).

220311120111 is a wasteful number, since it uses less digits than its factorization.

220311120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385604585.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 220311120111 its reverse (111021113022), we get a palindrome (331332233133).

It can be divided in two parts, 2203111 and 20111, that added together give a palindrome (2223222).

The spelling of 220311120111 in words is "two hundred twenty billion, three hundred eleven million, one hundred twenty thousand, one hundred eleven".