1110120220021 has 16 divisors (see below), whose sum is σ = 1179762240384. Its totient is φ = 1040967189504.

The previous prime is 1110120219997. The next prime is 1110120220031. The reversal of 1110120220021 is 1200220210111.

It is a cyclic number.

It is not a de Polignac number, because 1110120220021 - 2³¹ = 1107972736373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110120219983 and 1110120220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110120220031) 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 15 ways as a sum of consecutive naturals, for example, 5247726 + ... + 5455168.

It is an arithmetic number, because the mean of its divisors is an integer number (73735140024).

Almost surely, 2^{1110120220021} is an apocalyptic number.

It is an amenable number.

1110120220021 is a deficient number, since it is larger than the sum of its proper divisors (69642020363).

1110120220021 is a wasteful number, since it uses less digits than its factorization.

1110120220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208620.

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

Adding to 1110120220021 its reverse (1200220210111), we get a palindrome (2310340430132).

The spelling of 1110120220021 in words is "one trillion, one hundred ten billion, one hundred twenty million, two hundred twenty thousand, twenty-one".