10011111302021 has 2 divisors, whose sum is σ = 10011111302022. Its totient is φ = 10011111302020.

The previous prime is 10011111301937. The next prime is 10011111302077. The reversal of 10011111302021 is 12020311111001.

10011111302021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5524445971396 + 4486665330625 = 2350414^2 + 2118175^2 .

It is a cyclic number.

It is not a de Polignac number, because 10011111302021 - 2²² = 10011107107717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10011111301987 and 10011111302005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011911302021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005555651010 + 5005555651011.

It is an arithmetic number, because the mean of its divisors is an integer number (5005555651011).

Almost surely, 2^{10011111302021} is an apocalyptic number.

It is an amenable number.

10011111302021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011111302021 is an equidigital number, since it uses as much as digits as its factorization.

10011111302021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10011111302021 its reverse (12020311111001), we get a palindrome (22031422413022).

The spelling of 10011111302021 in words is "ten trillion, eleven billion, one hundred eleven million, three hundred two thousand, twenty-one".