11121203444444 has 24 divisors (see below), whose sum is σ = 20568046665600. Its totient is φ = 5246950662000.

The previous prime is 11121203444411. The next prime is 11121203444467. The reversal of 11121203444444 is 44444430212111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291478184 + ... + 291516335.

It is an arithmetic number, because the mean of its divisors is an integer number (857001944400).

Almost surely, 2^{11121203444444} is an apocalyptic number.

It is an amenable number.

11121203444444 is a deficient number, since it is larger than the sum of its proper divisors (9446843221156).

11121203444444 is a wasteful number, since it uses less digits than its factorization.

11121203444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582994793 (or 582994791 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

Adding to 11121203444444 its reverse (44444430212111), we get a palindrome (55565633656555).

The spelling of 11121203444444 in words is "eleven trillion, one hundred twenty-one billion, two hundred three million, four hundred forty-four thousand, four hundred forty-four".