210101423042 has 16 divisors (see below), whose sum is σ = 360381742272. Its totient is φ = 89991498480.

The previous prime is 210101423033. The next prime is 210101423047. The reversal of 210101423042 is 240324101012.

It is not an unprimeable number, because it can be changed into a prime (210101423047) 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, 4305584 + ... + 4354107.

It is an arithmetic number, because the mean of its divisors is an integer number (22523858892).

Almost surely, 2^210101423042 is an apocalyptic number.

210101423042 is a deficient number, since it is larger than the sum of its proper divisors (150280319230).

210101423042 is a wasteful number, since it uses less digits than its factorization.

210101423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8661433.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210101423042 its reverse (240324101012), we get a palindrome (450425524054).

The spelling of 210101423042 in words is "two hundred ten billion, one hundred one million, four hundred twenty-three thousand, forty-two".