110000120202121 has 4 divisors (see below), whose sum is σ = 110014645512772. Its totient is φ = 109985594891472.

The previous prime is 110000120202109. The next prime is 110000120202131. The reversal of 110000120202121 is 121202021000011.

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 105313159328400 + 4686960873721 = 10262220^2 + 2164939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110000120202121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110000120202101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7262643966 + ... + 7262659111.

It is an arithmetic number, because the mean of its divisors is an integer number (27503661378193).

Almost surely, 2^{110000120202121} is an apocalyptic number.

It is an amenable number.

110000120202121 is a deficient number, since it is larger than the sum of its proper divisors (14525310651).

110000120202121 is an equidigital number, since it uses as much as digits as its factorization.

110000120202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14525310650.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110000120202121 its reverse (121202021000011), we get a palindrome (231202141202132).

The spelling of 110000120202121 in words is "one hundred ten trillion, one hundred twenty million, two hundred two thousand, one hundred twenty-one".