110100210109 has 2 divisors, whose sum is σ = 110100210110. Its totient is φ = 110100210108.

The previous prime is 110100210083. The next prime is 110100210127. The reversal of 110100210109 is 901012001011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88806980025 + 21293230084 = 298005^2 + 145922^2 .

It is a cyclic number.

It is not a de Polignac number, because 110100210109 - 2⁷ = 110100209981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110100210092 and 110100210101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110100210149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050105054 + 55050105055.

It is an arithmetic number, because the mean of its divisors is an integer number (55050105055).

Almost surely, 2^110100210109 is an apocalyptic number.

It is an amenable number.

110100210109 is a deficient number, since it is larger than the sum of its proper divisors (1).

110100210109 is an equidigital number, since it uses as much as digits as its factorization.

110100210109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

It can be divided in two parts, 1101002 and 10109, that added together give a palindrome (1111111).

The spelling of 110100210109 in words is "one hundred ten billion, one hundred million, two hundred ten thousand, one hundred nine".