201123241042 has 16 divisors (see below), whose sum is σ = 303290813952. Its totient is φ = 100026395280.

The previous prime is 201123241031. The next prime is 201123241061. The reversal of 201123241042 is 240142321102.

201123241042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×201123241042³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8448268 + ... + 8472040.

It is an arithmetic number, because the mean of its divisors is an integer number (18955675872).

Almost surely, 2^201123241042 is an apocalyptic number.

201123241042 is a deficient number, since it is larger than the sum of its proper divisors (102167572910).

201123241042 is a wasteful number, since it uses less digits than its factorization.

201123241042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46113.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201123241042 its reverse (240142321102), we get a palindrome (441265562144).

The spelling of 201123241042 in words is "two hundred one billion, one hundred twenty-three million, two hundred forty-one thousand, forty-two".