111012201242 has 16 divisors (see below), whose sum is σ = 169081654560. Its totient is φ = 54652414608.

The previous prime is 111012201221. The next prime is 111012201277. The reversal of 111012201242 is 242102210111.

It is a self number, because there is not a number n which added to its sum of digits gives 111012201242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101888 + ... + 482084.

It is an arithmetic number, because the mean of its divisors is an integer number (10567603410).

Almost surely, 2^111012201242 is an apocalyptic number.

111012201242 is a deficient number, since it is larger than the sum of its proper divisors (58069453318).

111012201242 is a wasteful number, since it uses less digits than its factorization.

111012201242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382445.

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

Adding to 111012201242 its reverse (242102210111), we get a palindrome (353114411353).

The spelling of 111012201242 in words is "one hundred eleven billion, twelve million, two hundred one thousand, two hundred forty-two".