11312221130 has 64 divisors (see below), whose sum is σ = 23849717760. Its totient is φ = 3782286144.

The previous prime is 11312221057. The next prime is 11312221147. The reversal of 11312221130 is 3112221311.

It is a junction number, because it is equal to n+sod(n) for n = 11312221099 and 11312221108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2161577 + ... + 2166803.

It is an arithmetic number, because the mean of its divisors is an integer number (372651840).

Almost surely, 2^11312221130 is an apocalyptic number.

11312221130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312221130 is an abundant number, since it is smaller than the sum of its proper divisors (12537496630).

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

11312221130 is a wasteful number, since it uses less digits than its factorization.

11312221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6003.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11312221130 its reverse (3112221311), we get a palindrome (14424442441).

The spelling of 11312221130 in words is "eleven billion, three hundred twelve million, two hundred twenty-one thousand, one hundred thirty".