109921759211 has 6 divisors (see below), whose sum is σ = 120823090836. Its totient is φ = 99928871900.

The previous prime is 109921759153. The next prime is 109921759243. The reversal of 109921759211 is 112957129901.

It is a happy number.

It is not a de Polignac number, because 109921759211 - 2⁶ = 109921759147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109921755211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454222025 + ... + 454222266.

It is an arithmetic number, because the mean of its divisors is an integer number (20137181806).

Almost surely, 2^109921759211 is an apocalyptic number.

109921759211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109921759211 is a deficient number, since it is larger than the sum of its proper divisors (10901331625).

109921759211 is an equidigital number, since it uses as much as digits as its factorization.

109921759211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908444313 (or 908444302 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 47.

The spelling of 109921759211 in words is "one hundred nine billion, nine hundred twenty-one million, seven hundred fifty-nine thousand, two hundred eleven".