1111350221444 has 24 divisors (see below), whose sum is σ = 1960106724408. Its totient is φ = 551324067840.

The previous prime is 1111350221413. The next prime is 1111350221447. The reversal of 1111350221444 is 4441220531111.

It can be written as a sum of positive squares in 4 ways, for example, as 62344097344 + 1049006124100 = 249688^2 + 1024210^2 .

It is not an unprimeable number, because it can be changed into a prime (1111350221447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485024 + ... + 1567784.

It is an arithmetic number, because the mean of its divisors is an integer number (81671113517).

Almost surely, 2^{1111350221444} is an apocalyptic number.

It is an amenable number.

1111350221444 is a deficient number, since it is larger than the sum of its proper divisors (848756502964).

1111350221444 is a wasteful number, since it uses less digits than its factorization.

1111350221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084775 (or 1084773 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1111350221444 its reverse (4441220531111), we get a palindrome (5552570752555).

The spelling of 1111350221444 in words is "one trillion, one hundred eleven billion, three hundred fifty million, two hundred twenty-one thousand, four hundred forty-four".