23121033121010 has 64 divisors (see below), whose sum is σ = 45855668325888. Its totient is φ = 8323524000000.

The previous prime is 23121033121009. The next prime is 23121033121013. The reversal of 23121033121010 is 1012133012132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23121033121013) 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 31 ways as a sum of consecutive naturals, for example, 109895015 + ... + 110105205.

It is an arithmetic number, because the mean of its divisors is an integer number (716494817592).

Almost surely, 2^{23121033121010} is an apocalyptic number.

23121033121010 is a deficient number, since it is larger than the sum of its proper divisors (22734635204878).

23121033121010 is a wasteful number, since it uses less digits than its factorization.

23121033121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220211.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23121033121010 its reverse (1012133012132), we get a palindrome (24133166133142).

The spelling of 23121033121010 in words is "twenty-three trillion, one hundred twenty-one billion, thirty-three million, one hundred twenty-one thousand, ten".