18291820109101 has 8 divisors (see below), whose sum is σ = 22805386110144. Its totient is φ = 14253366318720.

The previous prime is 18291820109089. The next prime is 18291820109117. The reversal of 18291820109101 is 10190102819281.

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 18291820109101 - 2¹³ = 18291820100909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18291820109701) 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, 118778052580 + ... + 118778052733.

It is an arithmetic number, because the mean of its divisors is an integer number (2850673263768).

Almost surely, 2^{18291820109101} is an apocalyptic number.

18291820109101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18291820109101 is a deficient number, since it is larger than the sum of its proper divisors (4513566001043).

18291820109101 is a wasteful number, since it uses less digits than its factorization.

18291820109101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237556105331.

The product of its (nonzero) digits is 20736, while the sum is 43.

The spelling of 18291820109101 in words is "eighteen trillion, two hundred ninety-one billion, eight hundred twenty million, one hundred nine thousand, one hundred one".