11211120130 has 24 divisors (see below), whose sum is σ = 23474713788. Its totient is φ = 3843812448.

The previous prime is 11211120077. The next prime is 11211120131. The reversal of 11211120130 is 3102111211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11011773969 + 199346161 = 104937^2 + 14119^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11211120130.

It is not an unprimeable number, because it can be changed into a prime (11211120131) 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, 11439429 + ... + 11440408.

Almost surely, 2^11211120130 is an apocalyptic number.

11211120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211120130 is an abundant number, since it is smaller than the sum of its proper divisors (12263593658).

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

11211120130 is a wasteful number, since it uses less digits than its factorization.

11211120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22879858 (or 22879851 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11211120130 its reverse (3102111211), we get a palindrome (14313231341).

The spelling of 11211120130 in words is "eleven billion, two hundred eleven million, one hundred twenty thousand, one hundred thirty".