11331133120020 has 144 divisors (see below), whose sum is σ = 37904675921280. Its totient is φ = 2477365701888.

The previous prime is 11331133119989. The next prime is 11331133120031. The reversal of 11331133120020 is 2002133113311.

It is a happy number.

It is a super-2 number, since 2×11331133120020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25277715 + ... + 25722074.

It is an arithmetic number, because the mean of its divisors is an integer number (263226916120).

Almost surely, 2^{11331133120020} is an apocalyptic number.

11331133120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331133120020 is an abundant number, since it is smaller than the sum of its proper divisors (26573542801260).

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

11331133120020 is a wasteful number, since it uses less digits than its factorization.

11331133120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50999854 (or 50999829 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11331133120020 its reverse (2002133113311), we get a palindrome (13333266233331).

The spelling of 11331133120020 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-three million, one hundred twenty thousand, twenty".