10010100091 has 16 divisors (see below), whose sum is σ = 10341163008. Its totient is φ = 9684619200.

The previous prime is 10010100083. The next prime is 10010100101. The reversal of 10010100091 is 19000101001.

It is a cyclic number.

It is not a de Polignac number, because 10010100091 - 2³ = 10010100083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10010100031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1459831 + ... + 1466671.

It is an arithmetic number, because the mean of its divisors is an integer number (646322688).

Almost surely, 2^10010100091 is an apocalyptic number.

10010100091 is a deficient number, since it is larger than the sum of its proper divisors (331062917).

10010100091 is a wasteful number, since it uses less digits than its factorization.

10010100091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 10010100091 its reverse (19000101001), we get a palindrome (29010201092).

The spelling of 10010100091 in words is "ten billion, ten million, one hundred thousand, ninety-one".