111362721041 has 16 divisors (see below), whose sum is σ = 135343172160. Its totient is φ = 90228774720.

The previous prime is 111362721031. The next prime is 111362721077. The reversal of 111362721041 is 140127263111.

It is a cyclic number.

It is not a de Polignac number, because 111362721041 - 2¹⁴ = 111362704657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111362720995 and 111362721013.

It is not an unprimeable number, because it can be changed into a prime (111362721011) 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 in 15 ways as a sum of consecutive naturals, for example, 13422755 + ... + 13431048.

It is an arithmetic number, because the mean of its divisors is an integer number (8458948260).

Almost surely, 2^111362721041 is an apocalyptic number.

111362721041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111362721041 is a deficient number, since it is larger than the sum of its proper divisors (23980451119).

111362721041 is a wasteful number, since it uses less digits than its factorization.

111362721041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26853856.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 111362721041 its reverse (140127263111), we get a palindrome (251489984152).

The spelling of 111362721041 in words is "one hundred eleven billion, three hundred sixty-two million, seven hundred twenty-one thousand, forty-one".