It is a happy number.
It is a semiprime because it is the product of two primes.
It is an unprimeable number.
Almost surely, 2100091510075402 is an apocalyptic number.
100091510075402 is an equidigital number, since it uses as much as digits as its factorization.
100091510075402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50045755037703.
The spelling of 100091510075402 in words is "one hundred trillion, ninety-one billion, five hundred ten million, seventy-five thousand, four hundred two".