10021112011109 has 2 divisors, whose sum is σ = 10021112011110. Its totient is φ = 10021112011108.

The previous prime is 10021112011051. The next prime is 10021112011199. The reversal of 10021112011109 is 90111021112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9476682010084 + 544430001025 = 3078422^2 + 737855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021112011109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021112011199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010556005554 + 5010556005555.

It is an arithmetic number, because the mean of its divisors is an integer number (5010556005555).

Almost surely, 2^{10021112011109} is an apocalyptic number.

It is an amenable number.

10021112011109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021112011109 is an equidigital number, since it uses as much as digits as its factorization.

10021112011109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 10021112011109 in words is "ten trillion, twenty-one billion, one hundred twelve million, eleven thousand, one hundred nine".