110102010121 has 4 divisors (see below), whose sum is σ = 112787425044. Its totient is φ = 107416595200.

The previous prime is 110102010107. The next prime is 110102010163. The reversal of 110102010121 is 121010201011.

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 22630990096 + 87471020025 = 150436^2 + 295755^2 .

It is a cyclic number.

It is not a de Polignac number, because 110102010121 - 2⁷ = 110102009993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110102010098 and 110102010107.

It is not an unprimeable number, because it can be changed into a prime (110102010721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342707400 + ... + 1342707481.

It is an arithmetic number, because the mean of its divisors is an integer number (28196856261).

Almost surely, 2^110102010121 is an apocalyptic number.

It is an amenable number.

110102010121 is a deficient number, since it is larger than the sum of its proper divisors (2685414923).

110102010121 is an equidigital number, since it uses as much as digits as its factorization.

110102010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685414922.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110102010121 its reverse (121010201011), we get a palindrome (231112211132).

The spelling of 110102010121 in words is "one hundred ten billion, one hundred two million, ten thousand, one hundred twenty-one".