111210001442 has 32 divisors (see below), whose sum is σ = 179345197440. Its totient is φ = 51597420160.

The previous prime is 111210001403. The next prime is 111210001453. The reversal of 111210001442 is 244100012111.

It is a self number, because there is not a number n which added to its sum of digits gives 111210001442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39284 + ... + 473247.

It is an arithmetic number, because the mean of its divisors is an integer number (5604537420).

Almost surely, 2^111210001442 is an apocalyptic number.

111210001442 is a deficient number, since it is larger than the sum of its proper divisors (68135195998).

111210001442 is a wasteful number, since it uses less digits than its factorization.

111210001442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512698.

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

Adding to 111210001442 its reverse (244100012111), we get a palindrome (355310013553).

The spelling of 111210001442 in words is "one hundred eleven billion, two hundred ten million, one thousand, four hundred forty-two".