220011113111 has 64 divisors (see below), whose sum is σ = 260941824000. Its totient is φ = 184056053760.

The previous prime is 220011113107. The next prime is 220011113129. The reversal of 220011113111 is 111311110022.

It is a cyclic number.

It is not a de Polignac number, because 220011113111 - 2² = 220011113107 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 (220011113711) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51294455 + ... + 51298743.

It is an arithmetic number, because the mean of its divisors is an integer number (4077216000).

Almost surely, 2^220011113111 is an apocalyptic number.

220011113111 is a deficient number, since it is larger than the sum of its proper divisors (40930710889).

220011113111 is a wasteful number, since it uses less digits than its factorization.

220011113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 220011113111 its reverse (111311110022), we get a palindrome (331322223133).

The spelling of 220011113111 in words is "two hundred twenty billion, eleven million, one hundred thirteen thousand, one hundred eleven".