111434133121401 has 32 divisors (see below), whose sum is σ = 151794614200320. Its totient is φ = 72682678558656.

The previous prime is 111434133121393. The next prime is 111434133121403. The reversal of 111434133121401 is 104121331434111.

It is a happy number.

It is not a de Polignac number, because 111434133121401 - 2³ = 111434133121393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111434133121403) 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, 6513940890 + ... + 6513957996.

It is an arithmetic number, because the mean of its divisors is an integer number (4743581693760).

Almost surely, 2^{111434133121401} is an apocalyptic number.

It is an amenable number.

111434133121401 is a deficient number, since it is larger than the sum of its proper divisors (40360481078919).

111434133121401 is a wasteful number, since it uses less digits than its factorization.

111434133121401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31053.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 111434133121401 its reverse (104121331434111), we get a palindrome (215555464555512).

The spelling of 111434133121401 in words is "one hundred eleven trillion, four hundred thirty-four billion, one hundred thirty-three million, one hundred twenty-one thousand, four hundred one".