11102000121 has 12 divisors (see below), whose sum is σ = 16037593572. Its totient is φ = 7400700576.

The previous prime is 11102000099. The next prime is 11102000141. The reversal of 11102000121 is 12100020111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3434546025 + 7667454096 = 58605^2 + 87564^2 .

It is not a de Polignac number, because 11102000121 - 2¹⁵ = 11101967353 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 (11102000141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74535 + ... + 166611.

It is an arithmetic number, because the mean of its divisors is an integer number (1336466131).

Almost surely, 2^11102000121 is an apocalyptic number.

It is an amenable number.

11102000121 is a deficient number, since it is larger than the sum of its proper divisors (4935593451).

11102000121 is a wasteful number, since it uses less digits than its factorization.

11102000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105480 (or 105477 counting only the distinct ones).

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

Adding to 11102000121 its reverse (12100020111), we get a palindrome (23202020232).

The spelling of 11102000121 in words is "eleven billion, one hundred two million, one hundred twenty-one", and thus it is an aban number.