11112020442 has 12 divisors (see below), whose sum is σ = 24076044330. Its totient is φ = 3704006808.

The previous prime is 11112020419. The next prime is 11112020443. The reversal of 11112020442 is 24402021111.

11112020442 is a `hidden beast` number, since 11 + 11 + 202 + 0 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10760120361 + 351900081 = 103731^2 + 18759^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 617334469 = 11112020442 / (1 + 1 + 1 + 1 + 2 + 0 + 2 + 0 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (11112020443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308667217 + ... + 308667252.

Almost surely, 2^11112020442 is an apocalyptic number.

11112020442 is an abundant number, since it is smaller than the sum of its proper divisors (12964023888).

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

11112020442 is a wasteful number, since it uses less digits than its factorization.

11112020442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617334477 (or 617334474 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11112020442 its reverse (24402021111), we get a palindrome (35514041553).

The spelling of 11112020442 in words is "eleven billion, one hundred twelve million, twenty thousand, four hundred forty-two".