120220111111110 has 64 divisors (see below), whose sum is σ = 305694982139904. Its totient is φ = 30153684262400.

The previous prime is 120220111111091. The next prime is 120220111111117. The reversal of 120220111111110 is 11111111022021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120220111111110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220111111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74222886 + ... + 75825305.

It is an arithmetic number, because the mean of its divisors is an integer number (4776484095936).

Almost surely, 2^{120220111111110} is an apocalyptic number.

120220111111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120220111111110 is an abundant number, since it is smaller than the sum of its proper divisors (185474871028794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120220111111110 is a wasteful number, since it uses less digits than its factorization.

120220111111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150049789.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 120220111111110 its reverse (11111111022021), we get a palindrome (131331222133131).

The spelling of 120220111111110 in words is "one hundred twenty trillion, two hundred twenty billion, one hundred eleven million, one hundred eleven thousand, one hundred ten".