10101022099991 has 2 divisors, whose sum is σ = 10101022099992. Its totient is φ = 10101022099990.

The previous prime is 10101022099981. The next prime is 10101022100009. The reversal of 10101022099991 is 19999022010101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10101022099991 - 2¹⁰ = 10101022098967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101022099981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050511049995 + 5050511049996.

It is an arithmetic number, because the mean of its divisors is an integer number (5050511049996).

Almost surely, 2^{10101022099991} is an apocalyptic number.

10101022099991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101022099991 is an equidigital number, since it uses as much as digits as its factorization.

10101022099991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 10101022099991 in words is "ten trillion, one hundred one billion, twenty-two million, ninety-nine thousand, nine hundred ninety-one".