4021221011131 has 2 divisors, whose sum is σ = 4021221011132. Its totient is φ = 4021221011130.

The previous prime is 4021221011099. The next prime is 4021221011153. The reversal of 4021221011131 is 1311101221204.

4021221011131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021221011131 - 2⁵ = 4021221011099 is a prime.

It is a super-2 number, since 2×4021221011131² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4021221011099 and 4021221011108.

It is not a weakly prime, because it can be changed into another prime (4021221015131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010610505565 + 2010610505566.

It is an arithmetic number, because the mean of its divisors is an integer number (2010610505566).

Almost surely, 2^{4021221011131} is an apocalyptic number.

4021221011131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021221011131 is an equidigital number, since it uses as much as digits as its factorization.

4021221011131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 4021221011131 its reverse (1311101221204), we get a palindrome (5332322232335).

The spelling of 4021221011131 in words is "four trillion, twenty-one billion, two hundred twenty-one million, eleven thousand, one hundred thirty-one".