501043121141 has 16 divisors (see below), whose sum is σ = 533387768256. Its totient is φ = 469024402176.

The previous prime is 501043121099. The next prime is 501043121143. The reversal of 501043121141 is 141121340105.

It is a cyclic number.

It is not a de Polignac number, because 501043121141 - 2³⁰ = 499969379317 is a prime.

It is a super-2 number, since 2×501043121141² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501043121143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2234930 + ... + 2448876.

It is an arithmetic number, because the mean of its divisors is an integer number (33336735516).

Almost surely, 2^501043121141 is an apocalyptic number.

It is an amenable number.

501043121141 is a deficient number, since it is larger than the sum of its proper divisors (32344647115).

501043121141 is a wasteful number, since it uses less digits than its factorization.

501043121141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214708.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 501043121141 its reverse (141121340105), we get a palindrome (642164461246).

The spelling of 501043121141 in words is "five hundred one billion, forty-three million, one hundred twenty-one thousand, one hundred forty-one".