101421201040004 has 12 divisors (see below), whose sum is σ = 181816055523228. Its totient is φ = 49473756604800.

The previous prime is 101421201039953. The next prime is 101421201040009. The reversal of 101421201040004 is 400040102124101.

It can be written as a sum of positive squares in 2 ways, for example, as 1953291350404 + 99467909689600 = 1397602^2 + 9973360^2 .

It is not an unprimeable number, because it can be changed into a prime (101421201040009) 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, 309210978617 + ... + 309210978944.

It is an arithmetic number, because the mean of its divisors is an integer number (15151337960269).

Almost surely, 2^{101421201040004} is an apocalyptic number.

It is an amenable number.

101421201040004 is a deficient number, since it is larger than the sum of its proper divisors (80394854483224).

101421201040004 is a wasteful number, since it uses less digits than its factorization.

101421201040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618421957606 (or 618421957604 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 101421201040004 its reverse (400040102124101), we get a palindrome (501461303164105).

The spelling of 101421201040004 in words is "one hundred one trillion, four hundred twenty-one billion, two hundred one million, forty thousand, four".