2121313000111 has 16 divisors (see below), whose sum is σ = 2219733033120. Its totient is φ = 2025754307200.

The previous prime is 2121313000039. The next prime is 2121313000117. The reversal of 2121313000111 is 1110003131212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2121313000111 - 2⁹ = 2121312999599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121313000117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3042520 + ... + 3674173.

It is an arithmetic number, because the mean of its divisors is an integer number (138733314570).

Almost surely, 2^{2121313000111} is an apocalyptic number.

2121313000111 is a deficient number, since it is larger than the sum of its proper divisors (98420033009).

2121313000111 is a wasteful number, since it uses less digits than its factorization.

2121313000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6716906.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2121313000111 its reverse (1110003131212), we get a palindrome (3231316131323).

The spelling of 2121313000111 in words is "two trillion, one hundred twenty-one billion, three hundred thirteen million, one hundred eleven", and thus it is an aban number.