11112203020 has 12 divisors (see below), whose sum is σ = 23335626384. Its totient is φ = 4444881200.

The previous prime is 11112203009. The next prime is 11112203057. The reversal of 11112203020 is 2030221111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277805056 + ... + 277805095.

It is an arithmetic number, because the mean of its divisors is an integer number (1944635532).

Almost surely, 2^11112203020 is an apocalyptic number.

11112203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112203020 is an abundant number, since it is smaller than the sum of its proper divisors (12223423364).

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

11112203020 is a wasteful number, since it uses less digits than its factorization.

11112203020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555610160 (or 555610158 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11112203020 its reverse (2030221111), we get a palindrome (13142424131).

The spelling of 11112203020 in words is "eleven billion, one hundred twelve million, two hundred three thousand, twenty".