11310121230 has 32 divisors (see below), whose sum is σ = 27604368000. Its totient is φ = 2964912672.

The previous prime is 11310121213. The next prime is 11310121231. The reversal of 11310121230 is 3212101311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310121231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3193180 + ... + 3196719.

It is an arithmetic number, because the mean of its divisors is an integer number (862636500).

Almost surely, 2^11310121230 is an apocalyptic number.

11310121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11310121230 is an abundant number, since it is smaller than the sum of its proper divisors (16294246770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11310121230 is a wasteful number, since it uses less digits than its factorization.

11310121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389968.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11310121230 its reverse (3212101311), we get a palindrome (14522222541).

The spelling of 11310121230 in words is "eleven billion, three hundred ten million, one hundred twenty-one thousand, two hundred thirty".