101124136213 has 4 divisors (see below), whose sum is σ = 101128486860. Its totient is φ = 101119785568.

The previous prime is 101124136189. The next prime is 101124136237. The reversal of 101124136213 is 312631421101.

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

It is an interprime number because it is at equal distance from previous prime (101124136189) and next prime (101124136237).

It can be written as a sum of positive squares in 2 ways, for example, as 11937092049 + 89187044164 = 109257^2 + 298642^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101124136213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101124136313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140270 + ... + 2187007.

It is an arithmetic number, because the mean of its divisors is an integer number (25282121715).

Almost surely, 2^101124136213 is an apocalyptic number.

It is an amenable number.

101124136213 is a deficient number, since it is larger than the sum of its proper divisors (4350647).

101124136213 is an equidigital number, since it uses as much as digits as its factorization.

101124136213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350646.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 101124136213 its reverse (312631421101), we get a palindrome (413755557314).

The spelling of 101124136213 in words is "one hundred one billion, one hundred twenty-four million, one hundred thirty-six thousand, two hundred thirteen".