2121312133010 has 16 divisors (see below), whose sum is σ = 4363842102336. Its totient is φ = 727307017008.

The previous prime is 2121312133007. The next prime is 2121312133037. The reversal of 2121312133010 is 103312131212.

It is a happy number.

It is an unprimeable number.

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, 15152229452 + ... + 15152229591.

It is an arithmetic number, because the mean of its divisors is an integer number (272740131396).

Almost surely, 2^{2121312133010} is an apocalyptic number.

2121312133010 is an abundant number, since it is smaller than the sum of its proper divisors (2242529969326).

2121312133010 is a wasteful number, since it uses less digits than its factorization.

2121312133010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30304459057.

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

Adding to 2121312133010 its reverse (103312131212), we get a palindrome (2224624264222).

The spelling of 2121312133010 in words is "two trillion, one hundred twenty-one billion, three hundred twelve million, one hundred thirty-three thousand, ten".