111202243444 has 6 divisors (see below), whose sum is σ = 194603926034. Its totient is φ = 55601121720.

The previous prime is 111202243441. The next prime is 111202243501. The reversal of 111202243444 is 444342202111.

It can be written as a sum of positive squares in only one way, i.e., 87320250000 + 23881993444 = 295500^2 + 154538^2 .

It is a super-2 number, since 2×111202243444² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202243441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13900280427 + ... + 13900280434.

Almost surely, 2^111202243444 is an apocalyptic number.

It is an amenable number.

111202243444 is a deficient number, since it is larger than the sum of its proper divisors (83401682590).

111202243444 is a wasteful number, since it uses less digits than its factorization.

111202243444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27800560865 (or 27800560863 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 111202243444 its reverse (444342202111), we get a palindrome (555544445555).

The spelling of 111202243444 in words is "one hundred eleven billion, two hundred two million, two hundred forty-three thousand, four hundred forty-four".