11112300121 has 16 divisors (see below), whose sum is σ = 12675567744. Its totient is φ = 9650674944.

The previous prime is 11112300113. The next prime is 11112300137. The reversal of 11112300121 is 12100321111.

It is a happy number.

11112300121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11112300121 - 2³ = 11112300113 is a prime.

It is a super-2 number, since 2×11112300121² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11112300161) 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 15 ways as a sum of consecutive naturals, for example, 758956 + ... + 773458.

It is an arithmetic number, because the mean of its divisors is an integer number (792222984).

Almost surely, 2^11112300121 is an apocalyptic number.

It is an amenable number.

11112300121 is a deficient number, since it is larger than the sum of its proper divisors (1563267623).

11112300121 is a wasteful number, since it uses less digits than its factorization.

11112300121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18000.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11112300121 its reverse (12100321111), we get a palindrome (23212621232).

The spelling of 11112300121 in words is "eleven billion, one hundred twelve million, three hundred thousand, one hundred twenty-one".