20211121130131 has 8 divisors (see below), whose sum is σ = 21400215318720. Its totient is φ = 19022049687168.

The previous prime is 20211121130113. The next prime is 20211121130141. The reversal of 20211121130131 is 13103112111202.

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 20211121130131 - 2⁷ = 20211121130003 is a prime.

It is a super-2 number, since 2×20211121130131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20211121130099 and 20211121130108.

It is not an unprimeable number, because it can be changed into a prime (20211121130141) 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, 3839851 + ... + 7427428.

It is an arithmetic number, because the mean of its divisors is an integer number (2675026914840).

Almost surely, 2^{20211121130131} is an apocalyptic number.

20211121130131 is a deficient number, since it is larger than the sum of its proper divisors (1189094188589).

20211121130131 is a wasteful number, since it uses less digits than its factorization.

20211121130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11372813.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 20211121130131 its reverse (13103112111202), we get a palindrome (33314233241333).

The spelling of 20211121130131 in words is "twenty trillion, two hundred eleven billion, one hundred twenty-one million, one hundred thirty thousand, one hundred thirty-one".