2121312333010 has 32 divisors (see below), whose sum is σ = 4126716184752. Its totient is φ = 780466391040.

The previous prime is 2121312332989. The next prime is 2121312333061. The reversal of 2121312333010 is 103332131212.

It can be written as a sum of positive squares in 8 ways, for example, as 722488100049 + 1398824232961 = 849993^2 + 1182719^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28998679 + ... + 29071738.

Almost surely, 2^{2121312333010} is an apocalyptic number.

2121312333010 is a deficient number, since it is larger than the sum of its proper divisors (2005403851742).

2121312333010 is a wasteful number, since it uses less digits than its factorization.

2121312333010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58070718.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2121312333010 its reverse (103332131212), we get a palindrome (2224644464222).

The spelling of 2121312333010 in words is "two trillion, one hundred twenty-one billion, three hundred twelve million, three hundred thirty-three thousand, ten".