11430121120 has 48 divisors (see below), whose sum is σ = 29458543968. Its totient is φ = 4156407040.

The previous prime is 11430121097. The next prime is 11430121127. The reversal of 11430121120 is 2112103411.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11430121094 and 11430121103.

It is not an unprimeable number, because it can be changed into a prime (11430121127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3245434 + ... + 3248953.

It is an arithmetic number, because the mean of its divisors is an integer number (613719666).

Almost surely, 2^11430121120 is an apocalyptic number.

11430121120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430121120 is an abundant number, since it is smaller than the sum of its proper divisors (18028422848).

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

11430121120 is a wasteful number, since it uses less digits than its factorization.

11430121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494413 (or 6494405 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11430121120 its reverse (2112103411), we get a palindrome (13542224531).

The spelling of 11430121120 in words is "eleven billion, four hundred thirty million, one hundred twenty-one thousand, one hundred twenty".