11100121130 has 32 divisors (see below), whose sum is σ = 23320382976. Its totient is φ = 3724781184.

The previous prime is 11100121129. The next prime is 11100121187. The reversal of 11100121130 is 3112100111.

It is a happy number.

It is a Curzon number.

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, 1683659 + ... + 1690238.

It is an arithmetic number, because the mean of its divisors is an integer number (728761968).

Almost surely, 2^11100121130 is an apocalyptic number.

11100121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11100121130 is an abundant number, since it is smaller than the sum of its proper divisors (12220261846).

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

11100121130 is a wasteful number, since it uses less digits than its factorization.

11100121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373958.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11100121130 its reverse (3112100111), we get a palindrome (14212221241).

The spelling of 11100121130 in words is "eleven billion, one hundred million, one hundred twenty-one thousand, one hundred thirty".