108921891299 has 8 divisors (see below), whose sum is σ = 123474209040. Its totient is φ = 95251532256.

The previous prime is 108921891293. The next prime is 108921891301. The reversal of 108921891299 is 992198129801.

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 108921891299 - 2¹⁶ = 108921825763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108921891293) 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, 220489412 + ... + 220489905.

It is an arithmetic number, because the mean of its divisors is an integer number (15434276130).

Almost surely, 2^108921891299 is an apocalyptic number.

108921891299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

108921891299 is a deficient number, since it is larger than the sum of its proper divisors (14552317741).

108921891299 is a wasteful number, since it uses less digits than its factorization.

108921891299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440979349.

The product of its (nonzero) digits is 1679616, while the sum is 59.

The spelling of 108921891299 in words is "one hundred eight billion, nine hundred twenty-one million, eight hundred ninety-one thousand, two hundred ninety-nine".