11021142444 has 48 divisors (see below), whose sum is σ = 28587525120. Its totient is φ = 3281728320.

The previous prime is 11021142437. The next prime is 11021142463. The reversal of 11021142444 is 44424112011.

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, 1134654 + ... + 1144325.

It is an arithmetic number, because the mean of its divisors is an integer number (595573440).

Almost surely, 2^11021142444 is an apocalyptic number.

It is an amenable number.

11021142444 is an abundant number, since it is smaller than the sum of its proper divisors (17566382676).

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

11021142444 is a wasteful number, since it uses less digits than its factorization.

11021142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279030 (or 2279028 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 11021142444 its reverse (44424112011), we get a palindrome (55445254455).

The spelling of 11021142444 in words is "eleven billion, twenty-one million, one hundred forty-two thousand, four hundred forty-four".