111143021254401 has 16 divisors (see below), whose sum is σ = 148229961268544. Its totient is φ = 74075715411264.

The previous prime is 111143021254379. The next prime is 111143021254423. The reversal of 111143021254401 is 104452120341111.

It is an interprime number because it is at equal distance from previous prime (111143021254379) and next prime (111143021254423).

It is not a de Polignac number, because 111143021254401 - 2³¹ = 111140873770753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111143021254451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516651675 + ... + 516866751.

It is an arithmetic number, because the mean of its divisors is an integer number (9264372579284).

Almost surely, 2^{111143021254401} is an apocalyptic number.

It is an amenable number.

111143021254401 is a deficient number, since it is larger than the sum of its proper divisors (37086940014143).

111143021254401 is a wasteful number, since it uses less digits than its factorization.

111143021254401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259920.

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 111143021254401 its reverse (104452120341111), we get a palindrome (215595141595512).

The spelling of 111143021254401 in words is "one hundred eleven trillion, one hundred forty-three billion, twenty-one million, two hundred fifty-four thousand, four hundred one".