2121203101310 has 16 divisors (see below), whose sum is σ = 4019121666000. Its totient is φ = 803824333056.

The previous prime is 2121203101271. The next prime is 2121203101379. The reversal of 2121203101310 is 131013021212.

It is a super-2 number, since 2×2121203101310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5582113235 + ... + 5582113614.

It is an arithmetic number, because the mean of its divisors is an integer number (251195104125).

Almost surely, 2^{2121203101310} is an apocalyptic number.

2121203101310 is a deficient number, since it is larger than the sum of its proper divisors (1897918564690).

2121203101310 is a wasteful number, since it uses less digits than its factorization.

2121203101310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11164226875.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2121203101310 its reverse (131013021212), we get a palindrome (2252216122522).

The spelling of 2121203101310 in words is "two trillion, one hundred twenty-one billion, two hundred three million, one hundred one thousand, three hundred ten".