1100111077242 has 12 divisors (see below), whose sum is σ = 2383574000730. Its totient is φ = 366703692408.

The previous prime is 1100111077237. The next prime is 1100111077243. The reversal of 1100111077242 is 2427701110011.

It can be written as a sum of positive squares in only one way, i.e., 1078584025401 + 21527051841 = 1038549^2 + 146721^2 .

It is not an unprimeable number, because it can be changed into a prime (1100111077243) 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, 30558641017 + ... + 30558641052.

Almost surely, 2^{1100111077242} is an apocalyptic number.

1100111077242 is an abundant number, since it is smaller than the sum of its proper divisors (1283462923488).

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

1100111077242 is a wasteful number, since it uses less digits than its factorization.

1100111077242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61117282077 (or 61117282074 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

Adding to 1100111077242 its reverse (2427701110011), we get a palindrome (3527812187253).

The spelling of 1100111077242 in words is "one trillion, one hundred billion, one hundred eleven million, seventy-seven thousand, two hundred forty-two".