101242515133 has 4 divisors (see below), whose sum is σ = 101248208320. Its totient is φ = 101236821948.

The previous prime is 101242515091. The next prime is 101242515163. The reversal of 101242515133 is 331515242101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331515242101 = 577 ⋅574549813.

It is a cyclic number.

It is not a de Polignac number, because 101242515133 - 2⁹ = 101242514621 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 (101242515163) 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, 2819835 + ... + 2855512.

It is an arithmetic number, because the mean of its divisors is an integer number (25312052080).

Almost surely, 2^101242515133 is an apocalyptic number.

It is an amenable number.

101242515133 is a deficient number, since it is larger than the sum of its proper divisors (5693187).

101242515133 is an equidigital number, since it uses as much as digits as its factorization.

101242515133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693186.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 101242515133 its reverse (331515242101), we get a palindrome (432757757234).

The spelling of 101242515133 in words is "one hundred one billion, two hundred forty-two million, five hundred fifteen thousand, one hundred thirty-three".