11331121030020 has 192 divisors, whose sum is σ = 39783246854400. Its totient is φ = 2652216376320.

The previous prime is 11331121029997. The next prime is 11331121030027. The reversal of 11331121030020 is 2003012113311.

11331121030020 is a `hidden beast` number, since 1 + 1 + 331 + 1 + 2 + 10 + 300 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 11331121029975 and 11331121030002.

It is not an unprimeable number, because it can be changed into a prime (11331121030027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32717329 + ... + 33061848.

It is an arithmetic number, because the mean of its divisors is an integer number (207204410700).

Almost surely, 2^{11331121030020} is an apocalyptic number.

11331121030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331121030020 is an abundant number, since it is smaller than the sum of its proper divisors (28452125824380).

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

11331121030020 is a wasteful number, since it uses less digits than its factorization.

11331121030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65779235 (or 65779227 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11331121030020 its reverse (2003012113311), we get a palindrome (13334133143331).

The spelling of 11331121030020 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, thirty thousand, twenty".