111020020231001 has 16 divisors (see below), whose sum is σ = 134900996060160. Its totient is φ = 89190741150720.

The previous prime is 111020020230991. The next prime is 111020020231007. The reversal of 111020020231001 is 100132020020111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111020020231001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020020231007) 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, 1935534281 + ... + 1935591638.

It is an arithmetic number, because the mean of its divisors is an integer number (8431312253760).

Almost surely, 2^{111020020231001} is an apocalyptic number.

It is an amenable number.

111020020231001 is a deficient number, since it is larger than the sum of its proper divisors (23880975829159).

111020020231001 is a wasteful number, since it uses less digits than its factorization.

111020020231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871126184.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111020020231001 its reverse (100132020020111), we get a palindrome (211152040251112).

The spelling of 111020020231001 in words is "one hundred eleven trillion, twenty billion, twenty million, two hundred thirty-one thousand, one".