110209120101 has 20 divisors (see below), whose sum is σ = 165585036012. Its totient is φ = 73048039488.

The previous prime is 110209120061. The next prime is 110209120103. The reversal of 110209120101 is 101021902011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96488511876 + 13720608225 = 310626^2 + 117135^2 .

It is not a de Polignac number, because 110209120101 - 2²² = 110204925797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110209120103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3918376 + ... + 3946401.

Almost surely, 2^110209120101 is an apocalyptic number.

It is an amenable number.

110209120101 is a deficient number, since it is larger than the sum of its proper divisors (55375915911).

110209120101 is an equidigital number, since it uses as much as digits as its factorization.

110209120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864962 (or 7864953 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 110209120101 in words is "one hundred ten billion, two hundred nine million, one hundred twenty thousand, one hundred one".