113201100109 has 2 divisors, whose sum is σ = 113201100110. Its totient is φ = 113201100108.

The previous prime is 113201100107. The next prime is 113201100139. The reversal of 113201100109 is 901001102311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81797716009 + 31403384100 = 286003^2 + 177210^2 .

It is a cyclic number.

It is not a de Polignac number, because 113201100109 - 2¹ = 113201100107 is a prime.

Together with 113201100107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113201100107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56600550054 + 56600550055.

It is an arithmetic number, because the mean of its divisors is an integer number (56600550055).

Almost surely, 2^113201100109 is an apocalyptic number.

It is an amenable number.

113201100109 is a deficient number, since it is larger than the sum of its proper divisors (1).

113201100109 is an equidigital number, since it uses as much as digits as its factorization.

113201100109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 113201100109 in words is "one hundred thirteen billion, two hundred one million, one hundred thousand, one hundred nine".