110102000121 has 24 divisors (see below), whose sum is σ = 165571994120. Its totient is φ = 70439175936.

The previous prime is 110102000119. The next prime is 110102000123. The reversal of 110102000121 is 121000201011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (110102000119) and next prime (110102000123).

It can be written as a sum of positive squares in 4 ways, for example, as 14175521721 + 95926478400 = 119061^2 + 309720^2 .

It is not a de Polignac number, because 110102000121 - 2¹ = 110102000119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (110102000123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2240326 + ... + 2288943.

Almost surely, 2^110102000121 is an apocalyptic number.

It is an amenable number.

110102000121 is a deficient number, since it is larger than the sum of its proper divisors (55469993999).

110102000121 is a wasteful number, since it uses less digits than its factorization.

110102000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529385 (or 4529382 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 110102000121 its reverse (121000201011), we get a palindrome (231102201132).

The spelling of 110102000121 in words is "one hundred ten billion, one hundred two million, one hundred twenty-one", and thus it is an aban number.