111303311001001 has 16 divisors (see below), whose sum is σ = 129604575771648. Its totient is φ = 93602264184000.

The previous prime is 111303311000951. The next prime is 111303311001019. The reversal of 111303311001001 is 100100113303111.

It is a cyclic number.

It is not a de Polignac number, because 111303311001001 - 2⁹ = 111303311000489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111303311001041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75379831 + ... + 76842211.

It is an arithmetic number, because the mean of its divisors is an integer number (8100285985728).

Almost surely, 2^{111303311001001} is an apocalyptic number.

It is an amenable number.

111303311001001 is a deficient number, since it is larger than the sum of its proper divisors (18301264770647).

111303311001001 is a wasteful number, since it uses less digits than its factorization.

111303311001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667592.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 111303311001001 its reverse (100100113303111), we get a palindrome (211403424304112).

The spelling of 111303311001001 in words is "one hundred eleven trillion, three hundred three billion, three hundred eleven million, one thousand, one".