101102500243 has 2 divisors, whose sum is σ = 101102500244. Its totient is φ = 101102500242.

The previous prime is 101102500229. The next prime is 101102500253. The reversal of 101102500243 is 342005201101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101102500243 - 2²¹ = 101100403091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101102500243.

It is not a weakly prime, because it can be changed into another prime (101102500253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50551250121 + 50551250122.

It is an arithmetic number, because the mean of its divisors is an integer number (50551250122).

Almost surely, 2^101102500243 is an apocalyptic number.

101102500243 is a deficient number, since it is larger than the sum of its proper divisors (1).

101102500243 is an equidigital number, since it uses as much as digits as its factorization.

101102500243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 101102500243 its reverse (342005201101), we get a palindrome (443107701344).

The spelling of 101102500243 in words is "one hundred one billion, one hundred two million, five hundred thousand, two hundred forty-three".