11021540244 has 96 divisors (see below), whose sum is σ = 30241075200. Its totient is φ = 3080073600.

The previous prime is 11021540221. The next prime is 11021540291. The reversal of 11021540244 is 44204512011.

It is a super-2 number, since 2×11021540244² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2398389 + ... + 2402979.

It is an arithmetic number, because the mean of its divisors is an integer number (315011200).

Almost surely, 2^11021540244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021540244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15120537600).

11021540244 is an abundant number, since it is smaller than the sum of its proper divisors (19219534956).

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

11021540244 is a wasteful number, since it uses less digits than its factorization.

11021540244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021 (or 6019 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The spelling of 11021540244 in words is "eleven billion, twenty-one million, five hundred forty thousand, two hundred forty-four".