100090919191 has 8 divisors (see below), whose sum is σ = 101353958784. Its totient is φ = 98833481400.

The previous prime is 100090919189. The next prime is 100090919221. The reversal of 100090919191 is 191919090001.

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 100090919191 - 2¹ = 100090919189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100090919111) 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, 1364485 + ... + 1435966.

It is an arithmetic number, because the mean of its divisors is an integer number (12669244848).

Almost surely, 2^100090919191 is an apocalyptic number.

100090919191 is a deficient number, since it is larger than the sum of its proper divisors (1263039593).

100090919191 is a wasteful number, since it uses less digits than its factorization.

100090919191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800901.

The product of its (nonzero) digits is 6561, while the sum is 40.

It can be divided in two parts, 1000909 and 19191, that added together give a square (1020100 = 1010²).

The spelling of 100090919191 in words is "one hundred billion, ninety million, nine hundred nineteen thousand, one hundred ninety-one".