500120112121 has 8 divisors (see below), whose sum is σ = 571572376704. Its totient is φ = 428669481120.

The previous prime is 500120112113. The next prime is 500120112131. The reversal of 500120112121 is 121211021005.

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 500120112121 - 2³ = 500120112113 is a prime.

It is a super-2 number, since 2×500120112121² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 500120112095 and 500120112104.

It is not an unprimeable number, because it can be changed into a prime (500120112101) 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, 338781 + ... + 1055941.

It is an arithmetic number, because the mean of its divisors is an integer number (71446547088).

Almost surely, 2^500120112121 is an apocalyptic number.

It is an amenable number.

500120112121 is a deficient number, since it is larger than the sum of its proper divisors (71452264583).

500120112121 is an equidigital number, since it uses as much as digits as its factorization.

500120112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816791.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 500120112121 its reverse (121211021005), we get a palindrome (621331133126).

The spelling of 500120112121 in words is "five hundred billion, one hundred twenty million, one hundred twelve thousand, one hundred twenty-one".