111120672081 has 8 divisors (see below), whose sum is σ = 148263011424. Its totient is φ = 74029390400.

The previous prime is 111120672071. The next prime is 111120672137. The reversal of 111120672081 is 180276021111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111120672081 - 2⁷ = 111120671953 is a prime.

It is a super-2 number, since 2×111120672081² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111120672071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12759336 + ... + 12768041.

It is an arithmetic number, because the mean of its divisors is an integer number (18532876428).

Almost surely, 2^111120672081 is an apocalyptic number.

It is an amenable number.

111120672081 is a deficient number, since it is larger than the sum of its proper divisors (37142339343).

111120672081 is a wasteful number, since it uses less digits than its factorization.

111120672081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25528831.

The product of its (nonzero) digits is 1344, while the sum is 30.

Adding to 111120672081 its reverse (180276021111), we get a palindrome (291396693192).

The spelling of 111120672081 in words is "one hundred eleven billion, one hundred twenty million, six hundred seventy-two thousand, eighty-one".