110111201021001 has 32 divisors (see below), whose sum is σ = 151632059011200. Its totient is φ = 71021287088640.

The previous prime is 110111201020993. The next prime is 110111201021021. The reversal of 110111201021001 is 100120102111011.

It is not a de Polignac number, because 110111201021001 - 2³ = 110111201020993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110111201021021) 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, 492818331 + ... + 493041711.

It is an arithmetic number, because the mean of its divisors is an integer number (4738501844100).

Almost surely, 2^{110111201021001} is an apocalyptic number.

It is an amenable number.

110111201021001 is a deficient number, since it is larger than the sum of its proper divisors (41520857990199).

110111201021001 is a wasteful number, since it uses less digits than its factorization.

110111201021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248409.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 110111201021001 its reverse (100120102111011), we get a palindrome (210231303132012).

The spelling of 110111201021001 in words is "one hundred ten trillion, one hundred eleven billion, two hundred one million, twenty-one thousand, one".