11021910020 has 48 divisors (see below), whose sum is σ = 25932650688. Its totient is φ = 3899640960.

The previous prime is 11021910007. The next prime is 11021910023. The reversal of 11021910020 is 2001912011.

It is not an unprimeable number, because it can be changed into a prime (11021910023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 668882 + ... + 685161.

It is an arithmetic number, because the mean of its divisors is an integer number (540263556).

Almost surely, 2^11021910020 is an apocalyptic number.

11021910020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021910020 is an abundant number, since it is smaller than the sum of its proper divisors (14910740668).

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

11021910020 is a wasteful number, since it uses less digits than its factorization.

11021910020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354100 (or 1354098 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 11021910020 in words is "eleven billion, twenty-one million, nine hundred ten thousand, twenty".