10021021111043 has 2 divisors, whose sum is σ = 10021021111044. Its totient is φ = 10021021111042.

The previous prime is 10021021110959. The next prime is 10021021111093. The reversal of 10021021111043 is 34011112012001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021021111043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10021021111093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010510555521 + 5010510555522.

It is an arithmetic number, because the mean of its divisors is an integer number (5010510555522).

Almost surely, 2^{10021021111043} is an apocalyptic number.

10021021111043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021021111043 is an equidigital number, since it uses as much as digits as its factorization.

10021021111043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10021021111043 its reverse (34011112012001), we get a palindrome (44032133123044).

The spelling of 10021021111043 in words is "ten trillion, twenty-one billion, twenty-one million, one hundred eleven thousand, forty-three".