11121122012020 has 24 divisors (see below), whose sum is σ = 23374646765568. Its totient is φ = 4444583940000.

The previous prime is 11121122011963. The next prime is 11121122012137. The reversal of 11121122012020 is 2021022112111.

It is a junction number, because it is equal to n+sod(n) for n = 11121122011985 and 11121122012003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241530456 + ... + 241576495.

It is an arithmetic number, because the mean of its divisors is an integer number (973943615232).

Almost surely, 2^{11121122012020} is an apocalyptic number.

11121122012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121122012020 is an abundant number, since it is smaller than the sum of its proper divisors (12253524753548).

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

11121122012020 is a wasteful number, since it uses less digits than its factorization.

11121122012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483108111 (or 483108109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11121122012020 its reverse (2021022112111), we get a palindrome (13142144124131).

The spelling of 11121122012020 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, twelve thousand, twenty".