501011122001 has 8 divisors (see below), whose sum is σ = 539728963200. Its totient is φ = 462318784272.

The previous prime is 501011121931. The next prime is 501011122043. The reversal of 501011122001 is 100221110105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501011122001 - 2¹⁰ = 501011120977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501011122061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6335051 + ... + 6413648.

It is an arithmetic number, because the mean of its divisors is an integer number (67466120400).

Almost surely, 2^501011122001 is an apocalyptic number.

It is an amenable number.

501011122001 is a deficient number, since it is larger than the sum of its proper divisors (38717841199).

501011122001 is a wasteful number, since it uses less digits than its factorization.

501011122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751735.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 501011122001 its reverse (100221110105), we get a palindrome (601232232106).

The spelling of 501011122001 in words is "five hundred one billion, eleven million, one hundred twenty-two thousand, one".