102012330111193 has 4 divisors (see below), whose sum is σ = 102060066346420. Its totient is φ = 101964593875968.

The previous prime is 102012330111179. The next prime is 102012330111217. The reversal of 102012330111193 is 391111033210201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3390488803584 + 98621841307609 = 1841328^2 + 9930853^2 .

It is a cyclic number.

It is not a de Polignac number, because 102012330111193 - 2²¹ = 102012328014041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102012330111143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23868114408 + ... + 23868118681.

It is an arithmetic number, because the mean of its divisors is an integer number (25515016586605).

Almost surely, 2^{102012330111193} is an apocalyptic number.

It is an amenable number.

102012330111193 is a deficient number, since it is larger than the sum of its proper divisors (47736235227).

102012330111193 is an equidigital number, since it uses as much as digits as its factorization.

102012330111193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47736235226.

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 102012330111193 its reverse (391111033210201), we get a palindrome (493123363321394).

The spelling of 102012330111193 in words is "one hundred two trillion, twelve billion, three hundred thirty million, one hundred eleven thousand, one hundred ninety-three".