2201023231018 has 16 divisors (see below), whose sum is σ = 3334303687680. Its totient is φ = 1089589194000.

The previous prime is 2201023231009. The next prime is 2201023231019. The reversal of 2201023231018 is 8101323201022.

It is a junction number, because it is equal to n+sod(n) for n = 2201023230983 and 2201023231001.

It is not an unprimeable number, because it can be changed into a prime (2201023231019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10323943 + ... + 10534981.

It is an arithmetic number, because the mean of its divisors is an integer number (208393980480).

Almost surely, 2^{2201023231018} is an apocalyptic number.

2201023231018 is a deficient number, since it is larger than the sum of its proper divisors (1133280456662).

2201023231018 is a wasteful number, since it uses less digits than its factorization.

2201023231018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262773.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 2201023231018 in words is "two trillion, two hundred one billion, twenty-three million, two hundred thirty-one thousand, eighteen".