1120220435642 has 32 divisors (see below), whose sum is σ = 2115699882624. Its totient is φ = 432128232000.

The previous prime is 1120220435641. The next prime is 1120220435647. The reversal of 1120220435642 is 2465340220211.

It is a junction number, because it is equal to n+sod(n) for n = 1120220435599 and 1120220435608.

It is not an unprimeable number, because it can be changed into a prime (1120220435641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35995133 + ... + 36026240.

It is an arithmetic number, because the mean of its divisors is an integer number (66115621332).

Almost surely, 2^{1120220435642} is an apocalyptic number.

1120220435642 is a deficient number, since it is larger than the sum of its proper divisors (995479446982).

1120220435642 is a wasteful number, since it uses less digits than its factorization.

1120220435642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72021494.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1120220435642 its reverse (2465340220211), we get a palindrome (3585560655853).

The spelling of 1120220435642 in words is "one trillion, one hundred twenty billion, two hundred twenty million, four hundred thirty-five thousand, six hundred forty-two".