11311121133020 has 24 divisors (see below), whose sum is σ = 23924241826800. Its totient is φ = 4491898463232.

The previous prime is 11311121133019. The next prime is 11311121133041. The reversal of 11311121133020 is 2033112111311.

It is a super-2 number, since 2×11311121133020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11311121132983 and 11311121133001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034371525 + ... + 2034377084.

It is an arithmetic number, because the mean of its divisors is an integer number (996843409450).

Almost surely, 2^{11311121133020} is an apocalyptic number.

11311121133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311121133020 is an abundant number, since it is smaller than the sum of its proper divisors (12613120693780).

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

11311121133020 is a wasteful number, since it uses less digits than its factorization.

11311121133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068748757 (or 4068748755 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11311121133020 its reverse (2033112111311), we get a palindrome (13344233244331).

The spelling of 11311121133020 in words is "eleven trillion, three hundred eleven billion, one hundred twenty-one million, one hundred thirty-three thousand, twenty".