11910921821130 has 32 divisors (see below), whose sum is σ = 28586497661568. Its totient is φ = 3176214120000.

The previous prime is 11910921821129. The next prime is 11910921821137. The reversal of 11910921821130 is 3112812901911.

It is not an unprimeable number, because it can be changed into a prime (11910921821137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156380 + ... + 5015880.

It is an arithmetic number, because the mean of its divisors is an integer number (893328051924).

Almost surely, 2^{11910921821130} is an apocalyptic number.

11910921821130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11910921821130 is an abundant number, since it is smaller than the sum of its proper divisors (16675575840438).

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

11910921821130 is a wasteful number, since it uses less digits than its factorization.

11910921821130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962382.

The product of its (nonzero) digits is 7776, while the sum is 39.

The spelling of 11910921821130 in words is "eleven trillion, nine hundred ten billion, nine hundred twenty-one million, eight hundred twenty-one thousand, one hundred thirty".