11231121330 has 96 divisors (see below), whose sum is σ = 34306009920. Its totient is φ = 2513255040.

The previous prime is 11231121313. The next prime is 11231121353. The reversal of 11231121330 is 3312113211.

11231121330 is a `hidden beast` number, since 1 + 1 + 2 + 311 + 21 + 330 = 666.

It is a super-2 number, since 2×11231121330² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 423460 + ... + 449199.

It is an arithmetic number, because the mean of its divisors is an integer number (357354270).

Almost surely, 2^11231121330 is an apocalyptic number.

11231121330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231121330 is an abundant number, since it is smaller than the sum of its proper divisors (23074888590).

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

11231121330 is a wasteful number, since it uses less digits than its factorization.

11231121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872696 (or 872693 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11231121330 its reverse (3312113211), we get a palindrome (14543234541).

The spelling of 11231121330 in words is "eleven billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred thirty".