111102100200242 has 32 divisors (see below), whose sum is σ = 174164429838960. Its totient is φ = 53117596696320.

The previous prime is 111102100200241. The next prime is 111102100200277. The reversal of 111102100200242 is 242002001201111.

It can be written as a sum of positive squares in 8 ways, for example, as 69171307991041 + 41930792209201 = 8316929^2 + 6475399^2 .

It is a super-2 number, since 2×111102100200242² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111102100200242.

It is not an unprimeable number, because it can be changed into a prime (111102100200241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78114053 + ... + 79523640.

Almost surely, 2^{111102100200242} is an apocalyptic number.

111102100200242 is a deficient number, since it is larger than the sum of its proper divisors (63062329638718).

111102100200242 is a wasteful number, since it uses less digits than its factorization.

111102100200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157637918.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 111102100200242 its reverse (242002001201111), we get a palindrome (353104101401353).

The spelling of 111102100200242 in words is "one hundred eleven trillion, one hundred two billion, one hundred million, two hundred thousand, two hundred forty-two".