10111324021 has 2 divisors, whose sum is σ = 10111324022. Its totient is φ = 10111324020.

The previous prime is 10111324001. The next prime is 10111324043. The reversal of 10111324021 is 12042311101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7041055921 + 3070268100 = 83911^2 + 55410^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111324021 - 2²⁵ = 10077769589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10111323986 and 10111324004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111324001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055662010 + 5055662011.

It is an arithmetic number, because the mean of its divisors is an integer number (5055662011).

Almost surely, 2^10111324021 is an apocalyptic number.

It is an amenable number.

10111324021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111324021 is an equidigital number, since it uses as much as digits as its factorization.

10111324021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10111324021 its reverse (12042311101), we get a palindrome (22153635122).

The spelling of 10111324021 in words is "ten billion, one hundred eleven million, three hundred twenty-four thousand, twenty-one".