11221322130 has 24 divisors (see below), whose sum is σ = 29175437772. Its totient is φ = 2992352544.

The previous prime is 11221322129. The next prime is 11221322137. The reversal of 11221322130 is 3122312211.

It can be written as a sum of positive squares in 2 ways, for example, as 11025630009 + 195692121 = 105003^2 + 13989^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11221322137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62340589 + ... + 62340768.

Almost surely, 2^11221322130 is an apocalyptic number.

11221322130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221322130 is an abundant number, since it is smaller than the sum of its proper divisors (17954115642).

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

11221322130 is a wasteful number, since it uses less digits than its factorization.

11221322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124681370 (or 124681367 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11221322130 its reverse (3122312211), we get a palindrome (14343634341).

The spelling of 11221322130 in words is "eleven billion, two hundred twenty-one million, three hundred twenty-two thousand, one hundred thirty".