101421383519 has 4 divisors (see below), whose sum is σ = 103579285344. Its totient is φ = 99263481696.

The previous prime is 101421383509. The next prime is 101421383527. The reversal of 101421383519 is 915383124101.

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 101421383519 - 2²⁰ = 101420334943 is a prime.

It is a super-2 number, since 2×101421383519² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421383509) 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, 1078950842 + ... + 1078950935.

It is an arithmetic number, because the mean of its divisors is an integer number (25894821336).

Almost surely, 2^101421383519 is an apocalyptic number.

101421383519 is a deficient number, since it is larger than the sum of its proper divisors (2157901825).

101421383519 is an equidigital number, since it uses as much as digits as its factorization.

101421383519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157901824.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 101421383519 in words is "one hundred one billion, four hundred twenty-one million, three hundred eighty-three thousand, five hundred nineteen".