120220011111 has 8 divisors (see below), whose sum is σ = 160321108480. Its totient is φ = 80132793912.

The previous prime is 120220011097. The next prime is 120220011139. The reversal of 120220011111 is 111110022021.

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

It is not a de Polignac number, because 120220011111 - 2¹⁰ = 120220010087 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 (120220011181) 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, 3449815 + ... + 3484488.

It is an arithmetic number, because the mean of its divisors is an integer number (20040138560).

Almost surely, 2^120220011111 is an apocalyptic number.

120220011111 is a deficient number, since it is larger than the sum of its proper divisors (40101097369).

120220011111 is an equidigital number, since it uses as much as digits as its factorization.

120220011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940085.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120220011111 its reverse (111110022021), we get a palindrome (231330033132).

The spelling of 120220011111 in words is "one hundred twenty billion, two hundred twenty million, eleven thousand, one hundred eleven".