101100222091 has 4 divisors (see below), whose sum is σ = 110291151384. Its totient is φ = 91909292800.

The previous prime is 101100222071. The next prime is 101100222131. The reversal of 101100222091 is 190222001101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101100222091 - 2²³ = 101091833483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101100222071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4595464630 + ... + 4595464651.

It is an arithmetic number, because the mean of its divisors is an integer number (27572787846).

Almost surely, 2^101100222091 is an apocalyptic number.

101100222091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101100222091 is a deficient number, since it is larger than the sum of its proper divisors (9190929293).

101100222091 is an equidigital number, since it uses as much as digits as its factorization.

101100222091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9190929292.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 101100222091 its reverse (190222001101), we get a palindrome (291322223192).

The spelling of 101100222091 in words is "one hundred one billion, one hundred million, two hundred twenty-two thousand, ninety-one".