111002113443 has 32 divisors (see below), whose sum is σ = 168805960960. Its totient is φ = 64316695680.

The previous prime is 111002113433. The next prime is 111002113451. The reversal of 111002113443 is 344311200111.

It is not a de Polignac number, because 111002113443 - 2²² = 110997919139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111002113433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338728 + ... + 580293.

It is an arithmetic number, because the mean of its divisors is an integer number (5275186280).

Almost surely, 2^111002113443 is an apocalyptic number.

111002113443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111002113443 is a deficient number, since it is larger than the sum of its proper divisors (57803847517).

111002113443 is a wasteful number, since it uses less digits than its factorization.

111002113443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919219.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111002113443 its reverse (344311200111), we get a palindrome (455313313554).

The spelling of 111002113443 in words is "one hundred eleven billion, two million, one hundred thirteen thousand, four hundred forty-three".