11002021212020 has 24 divisors (see below), whose sum is σ = 23104840865568. Its totient is φ = 4400694900000.

The previous prime is 11002021211971. The next prime is 11002021212031. The reversal of 11002021212020 is 2021212020011.

It is a junction number, because it is equal to n+sod(n) for n = 11002021211986 and 11002021212004.

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, 6302606 + ... + 7856645.

It is an arithmetic number, because the mean of its divisors is an integer number (962701702732).

Almost surely, 2^{11002021212020} is an apocalyptic number.

11002021212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11002021212020 is an abundant number, since it is smaller than the sum of its proper divisors (12102819653548).

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

11002021212020 is a wasteful number, since it uses less digits than its factorization.

11002021212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14198111 (or 14198109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11002021212020 its reverse (2021212020011), we get a palindrome (13023233232031).

The spelling of 11002021212020 in words is "eleven trillion, two billion, twenty-one million, two hundred twelve thousand, twenty".