501351220101 has 8 divisors (see below), whose sum is σ = 668574038880. Its totient is φ = 334181274032.

The previous prime is 501351220091. The next prime is 501351220127. The reversal of 501351220101 is 101022153105.

501351220101 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 501351220101 - 2⁶ = 501351220037 is a prime.

It is a super-2 number, since 2×501351220101² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501351220141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13196046 + ... + 13233983.

It is an arithmetic number, because the mean of its divisors is an integer number (83571754860).

Almost surely, 2^501351220101 is an apocalyptic number.

It is an amenable number.

501351220101 is a deficient number, since it is larger than the sum of its proper divisors (167222818779).

501351220101 is a wasteful number, since it uses less digits than its factorization.

501351220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26436355.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 501351220101 its reverse (101022153105), we get a palindrome (602373373206).

The spelling of 501351220101 in words is "five hundred one billion, three hundred fifty-one million, two hundred twenty thousand, one hundred one".