210123021211044 has 24 divisors (see below), whose sum is σ = 495795892747680. Its totient is φ = 69254029462464.

The previous prime is 210123021211043. The next prime is 210123021211063. The reversal of 210123021211044 is 440112120321012.

It is not an unprimeable number, because it can be changed into a prime (210123021211043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98372199874 + ... + 98372202009.

It is an arithmetic number, because the mean of its divisors is an integer number (20658162197820).

Almost surely, 2^{210123021211044} is an apocalyptic number.

It is an amenable number.

210123021211044 is an abundant number, since it is smaller than the sum of its proper divisors (285672871536636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210123021211044 is a wasteful number, since it uses less digits than its factorization.

210123021211044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196744401979 (or 196744401977 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 210123021211044 its reverse (440112120321012), we get a palindrome (650235141532056).

The spelling of 210123021211044 in words is "two hundred ten trillion, one hundred twenty-three billion, twenty-one million, two hundred eleven thousand, forty-four".