501000123211133 has 32 divisors (see below), whose sum is σ = 627251985803520. Its totient is φ = 389568933596160.

The previous prime is 501000123211057. The next prime is 501000123211199. The reversal of 501000123211133 is 331112321000105.

It is a cyclic number.

It is not a de Polignac number, because 501000123211133 - 2²⁰ = 501000122162557 is a prime.

It is a super-2 number, since 2×501000123211133² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501000123211099 and 501000123211108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501000123211633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31428668 + ... + 44606741.

It is an arithmetic number, because the mean of its divisors is an integer number (19601624556360).

Almost surely, 2^{501000123211133} is an apocalyptic number.

It is an amenable number.

501000123211133 is a deficient number, since it is larger than the sum of its proper divisors (126251862592387).

501000123211133 is a wasteful number, since it uses less digits than its factorization.

501000123211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76036677.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 501000123211133 its reverse (331112321000105), we get a palindrome (832112444211238).

The spelling of 501000123211133 in words is "five hundred one trillion, one hundred twenty-three million, two hundred eleven thousand, one hundred thirty-three".