11231212322020 has 24 divisors (see below), whose sum is σ = 23585610392568. Its totient is φ = 4492472640000.

The previous prime is 11231212321999. The next prime is 11231212322059. The reversal of 11231212322020 is 2022321213211.

It can be written as a sum of positive squares in 4 ways, for example, as 1763074084864 + 9468138237156 = 1327808^2 + 3077034^2 .

It is a super-2 number, since 2×11231212322020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231212321982 and 11231212322000.

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, 11525820 + ... + 12462220.

It is an arithmetic number, because the mean of its divisors is an integer number (982733766357).

Almost surely, 2^{11231212322020} is an apocalyptic number.

11231212322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231212322020 is an abundant number, since it is smaller than the sum of its proper divisors (12354398070548).

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

11231212322020 is a wasteful number, since it uses less digits than its factorization.

11231212322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536111 (or 1536109 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11231212322020 its reverse (2022321213211), we get a palindrome (13253533535231).

The spelling of 11231212322020 in words is "eleven trillion, two hundred thirty-one billion, two hundred twelve million, three hundred twenty-two thousand, twenty".