101202100243 has 2 divisors, whose sum is σ = 101202100244. Its totient is φ = 101202100242.

The previous prime is 101202100201. The next prime is 101202100261. The reversal of 101202100243 is 342001202101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101202100243 - 2¹³ = 101202092051 is a prime.

It is not a weakly prime, because it can be changed into another prime (101202100273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601050121 + 50601050122.

It is an arithmetic number, because the mean of its divisors is an integer number (50601050122).

Almost surely, 2^101202100243 is an apocalyptic number.

101202100243 is a deficient number, since it is larger than the sum of its proper divisors (1).

101202100243 is an equidigital number, since it uses as much as digits as its factorization.

101202100243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 101202100243 its reverse (342001202101), we get a palindrome (443203302344).

The spelling of 101202100243 in words is "one hundred one billion, two hundred two million, one hundred thousand, two hundred forty-three".