1120220021111 has 4 divisors (see below), whose sum is σ = 1120261600800. Its totient is φ = 1120178441424.

The previous prime is 1120220021027. The next prime is 1120220021131. The reversal of 1120220021111 is 1111200220211.

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

It is a cyclic number.

It is not a de Polignac number, because 1120220021111 - 2¹⁴ = 1120220004727 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 (1120220021131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20749406 + ... + 20803323.

It is an arithmetic number, because the mean of its divisors is an integer number (280065400200).

Almost surely, 2^{1120220021111} is an apocalyptic number.

1120220021111 is a deficient number, since it is larger than the sum of its proper divisors (41579689).

1120220021111 is an equidigital number, since it uses as much as digits as its factorization.

1120220021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41579688.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1120220021111 its reverse (1111200220211), we get a palindrome (2231420241322).

The spelling of 1120220021111 in words is "one trillion, one hundred twenty billion, two hundred twenty million, twenty-one thousand, one hundred eleven".