11112220002020 has 48 divisors (see below), whose sum is σ = 23806170174528. Its totient is φ = 4355480538240.

The previous prime is 11112220001999. The next prime is 11112220002043. The reversal of 11112220002020 is 2020002221111.

It is a junction number, because it is equal to n+sod(n) for n = 11112220001986 and 11112220002004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5826026 + ... + 7494465.

It is an arithmetic number, because the mean of its divisors is an integer number (495961878636).

Almost surely, 2^{11112220002020} is an apocalyptic number.

11112220002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112220002020 is an abundant number, since it is smaller than the sum of its proper divisors (12693950172508).

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

11112220002020 is a wasteful number, since it uses less digits than its factorization.

11112220002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13321340 (or 13321338 counting only the distinct ones).

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

Adding to 11112220002020 its reverse (2020002221111), we get a palindrome (13132222223131).

The spelling of 11112220002020 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, two thousand, twenty".