1010100909091 has 8 divisors (see below), whose sum is σ = 1011748492944. Its totient is φ = 1008453550080.

The previous prime is 1010100909089. The next prime is 1010100909121. The reversal of 1010100909091 is 1909090010101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010100909091 - 2¹ = 1010100909089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010100909691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10559011 + ... + 10654243.

It is an arithmetic number, because the mean of its divisors is an integer number (126468561618).

Almost surely, 2^{1010100909091} is an apocalyptic number.

1010100909091 is a deficient number, since it is larger than the sum of its proper divisors (1647583853).

1010100909091 is an equidigital number, since it uses as much as digits as its factorization.

1010100909091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112421.

The product of its (nonzero) digits is 729, while the sum is 31.

Adding to 1010100909091 its reverse (1909090010101), we get a palindrome (2919190919192).

It can be divided in two parts, 1010100 and 909091, that added together give a palindrome (1919191).

The spelling of 1010100909091 in words is "one trillion, ten billion, one hundred million, nine hundred nine thousand, ninety-one".