111402232401111 has 24 divisors (see below), whose sum is σ = 159349960973904. Its totient is φ = 69207366220800.

The previous prime is 111402232401107. The next prime is 111402232401169. The reversal of 111402232401111 is 111104232204111.

It is not a de Polignac number, because 111402232401111 - 2² = 111402232401107 is a prime.

It is a super-2 number, since 2×111402232401111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111402232401011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636009550 + ... + 636184683.

It is an arithmetic number, because the mean of its divisors is an integer number (6639581707246).

Almost surely, 2^{111402232401111} is an apocalyptic number.

111402232401111 is a deficient number, since it is larger than the sum of its proper divisors (47947728572793).

111402232401111 is a wasteful number, since it uses less digits than its factorization.

111402232401111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272194371 (or 1272194354 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 111402232401111 its reverse (111104232204111), we get a palindrome (222506464605222).

The spelling of 111402232401111 in words is "one hundred eleven trillion, four hundred two billion, two hundred thirty-two million, four hundred one thousand, one hundred eleven".