101330012243 has 4 divisors (see below), whose sum is σ = 102550855848. Its totient is φ = 100109168640.

The previous prime is 101330012239. The next prime is 101330012291. The reversal of 101330012243 is 342210033101.

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

It is a cyclic number.

It is not a de Polignac number, because 101330012243 - 2² = 101330012239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101330012293) 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, 610421678 + ... + 610421843.

It is an arithmetic number, because the mean of its divisors is an integer number (25637713962).

Almost surely, 2^101330012243 is an apocalyptic number.

101330012243 is a deficient number, since it is larger than the sum of its proper divisors (1220843605).

101330012243 is an equidigital number, since it uses as much as digits as its factorization.

101330012243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220843604.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 101330012243 its reverse (342210033101), we get a palindrome (443540045344).

The spelling of 101330012243 in words is "one hundred one billion, three hundred thirty million, twelve thousand, two hundred forty-three".