1120020220111 has 4 divisors (see below), whose sum is σ = 1206175621672. Its totient is φ = 1033864818552.

The previous prime is 1120020220097. The next prime is 1120020220127. The reversal of 1120020220111 is 1110220200211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120020220111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 86155401547 = 1120020220111 / (1 + 1 + 2 + 0 + 0 + 2 + 0 + 2 + 2 + 0 + 1 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120020220091 and 1120020220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120020220411) 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 3 ways as a sum of consecutive naturals, for example, 43077700761 + ... + 43077700786.

It is an arithmetic number, because the mean of its divisors is an integer number (301543905418).

Almost surely, 2^{1120020220111} is an apocalyptic number.

1120020220111 is a deficient number, since it is larger than the sum of its proper divisors (86155401561).

1120020220111 is an equidigital number, since it uses as much as digits as its factorization.

1120020220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86155401560.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1120020220111 its reverse (1110220200211), we get a palindrome (2230240420322).

The spelling of 1120020220111 in words is "one trillion, one hundred twenty billion, twenty million, two hundred twenty thousand, one hundred eleven".