11220131130 has 32 divisors (see below), whose sum is σ = 28999724544. Its totient is φ = 2761878336.

The previous prime is 11220131129. The next prime is 11220131141. The reversal of 11220131130 is 3113102211.

It is a happy number.

It is a super-3 number, since 3×11220131130³ (a number of 31 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14384394 + ... + 14385173.

It is an arithmetic number, because the mean of its divisors is an integer number (906241392).

Almost surely, 2^11220131130 is an apocalyptic number.

11220131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220131130 is an abundant number, since it is smaller than the sum of its proper divisors (17779593414).

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

11220131130 is a wasteful number, since it uses less digits than its factorization.

11220131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28769590.

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

Adding to 11220131130 its reverse (3113102211), we get a palindrome (14333233341).

The spelling of 11220131130 in words is "eleven billion, two hundred twenty million, one hundred thirty-one thousand, one hundred thirty".