11331012022020 has 72 divisors (see below), whose sum is σ = 34854831385920. Its totient is φ = 2979045410880.

The previous prime is 11331012021977. The next prime is 11331012022021. The reversal of 11331012022020 is 2022021013311.

11331012022020 is a `hidden beast` number, since 1 + 13 + 310 + 120 + 220 + 2 + 0 = 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 = 11331012021984 and 11331012022002.

It is not an unprimeable number, because it can be changed into a prime (11331012022021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443297550 + ... + 443323109.

It is an arithmetic number, because the mean of its divisors is an integer number (484094880360).

Almost surely, 2^{11331012022020} is an apocalyptic number.

11331012022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331012022020 is an abundant number, since it is smaller than the sum of its proper divisors (23523819363900).

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

11331012022020 is a wasteful number, since it uses less digits than its factorization.

11331012022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886620745 (or 886620740 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11331012022020 its reverse (2022021013311), we get a palindrome (13353033035331).

The spelling of 11331012022020 in words is "eleven trillion, three hundred thirty-one billion, twelve million, twenty-two thousand, twenty".