109819332101 has 4 divisors (see below), whose sum is σ = 109838805804. Its totient is φ = 109799858400.

The previous prime is 109819332083. The next prime is 109819332107. The reversal of 109819332101 is 101233918901.

It is a Cunningham number, because it is equal to 331390²+1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 108576840100 + 1242492001 = 329510^2 + 35249^2 .

It is a cyclic number.

It is not a de Polignac number, because 109819332101 - 2⁶ = 109819332037 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 (109819332107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9728390 + ... + 9739671.

It is an arithmetic number, because the mean of its divisors is an integer number (27459701451).

Almost surely, 2^109819332101 is an apocalyptic number.

It is an amenable number.

109819332101 is a deficient number, since it is larger than the sum of its proper divisors (19473703).

109819332101 is an equidigital number, since it uses as much as digits as its factorization.

109819332101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19473702.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 109819332101 in words is "one hundred nine billion, eight hundred nineteen million, three hundred thirty-two thousand, one hundred one".