111131120221001 has 8 divisors (see below), whose sum is σ = 112212542654784. Its totient is φ = 110049745470480.

The previous prime is 111131120220853. The next prime is 111131120221013. The reversal of 111131120221001 is 100122021131111.

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 111131120221001 - 2³⁸ = 110856242314057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7227971 + ... + 16568216.

It is an arithmetic number, because the mean of its divisors is an integer number (14026567831848).

Almost surely, 2^{111131120221001} is an apocalyptic number.

It is an amenable number.

111131120221001 is a deficient number, since it is larger than the sum of its proper divisors (1081422433783).

111131120221001 is a wasteful number, since it uses less digits than its factorization.

111131120221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23841631.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 111131120221001 its reverse (100122021131111), we get a palindrome (211253141352112).

The spelling of 111131120221001 in words is "one hundred eleven trillion, one hundred thirty-one billion, one hundred twenty million, two hundred twenty-one thousand, one".