111440022221445 has 64 divisors (see below), whose sum is σ = 181279230971904. Its totient is φ = 58451144716800.

The previous prime is 111440022221321. The next prime is 111440022221497. The reversal of 111440022221445 is 544122220044111.

It is a happy number.

It is not a de Polignac number, because 111440022221445 - 2¹⁰ = 111440022220421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 838162462 + ... + 838295408.

It is an arithmetic number, because the mean of its divisors is an integer number (2832487983936).

Almost surely, 2^{111440022221445} is an apocalyptic number.

111440022221445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111440022221445 is a deficient number, since it is larger than the sum of its proper divisors (69839208750459).

111440022221445 is a wasteful number, since it uses less digits than its factorization.

111440022221445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136802.

The product of its (nonzero) digits is 20480, while the sum is 33.

Adding to 111440022221445 its reverse (544122220044111), we get a palindrome (655562242265556).

The spelling of 111440022221445 in words is "one hundred eleven trillion, four hundred forty billion, twenty-two million, two hundred twenty-one thousand, four hundred forty-five".