220011000111 has 24 divisors (see below), whose sum is σ = 378983754240. Its totient is φ = 120254458896.

The previous prime is 220011000109. The next prime is 220011000149. The reversal of 220011000111 is 111000110022.

It is a happy number.

It is not a de Polignac number, because 220011000111 - 2¹ = 220011000109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 220011000093 and 220011000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011000511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75916771 + ... + 75919668.

It is an arithmetic number, because the mean of its divisors is an integer number (15790989760).

Almost surely, 2^220011000111 is an apocalyptic number.

220011000111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220011000111 is a deficient number, since it is larger than the sum of its proper divisors (158972754129).

220011000111 is a wasteful number, since it uses less digits than its factorization.

220011000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151836475 (or 151836472 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 220011000111 its reverse (111000110022), we get a palindrome (331011110133).

The spelling of 220011000111 in words is "two hundred twenty billion, eleven million, one hundred eleven", and thus it is an aban number.