220120100111 has 8 divisors (see below), whose sum is σ = 233076698064. Its totient is φ = 207164430720.

The previous prime is 220120100107. The next prime is 220120100129. The reversal of 220120100111 is 111001021022.

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 220120100111 - 2² = 220120100107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220120100092 and 220120100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120160111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289421 + ... + 723881.

It is an arithmetic number, because the mean of its divisors is an integer number (29134587258).

Almost surely, 2^220120100111 is an apocalyptic number.

220120100111 is a deficient number, since it is larger than the sum of its proper divisors (12956597953).

220120100111 is a wasteful number, since it uses less digits than its factorization.

220120100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464281.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 220120100111 its reverse (111001021022), we get a palindrome (331121121133).

The spelling of 220120100111 in words is "two hundred twenty billion, one hundred twenty million, one hundred thousand, one hundred eleven".