2121012012301 has 32 divisors (see below), whose sum is σ = 2625577113600. Its totient is φ = 1668459418560.

The previous prime is 2121012012299. The next prime is 2121012012331. The reversal of 2121012012301 is 1032102101212.

It is a cyclic number.

It is not a de Polignac number, because 2121012012301 - 2¹ = 2121012012299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121012012331) 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, 113541280 + ... + 113559958.

It is an arithmetic number, because the mean of its divisors is an integer number (82049284800).

Almost surely, 2^{2121012012301} is an apocalyptic number.

It is an amenable number.

2121012012301 is a deficient number, since it is larger than the sum of its proper divisors (504565101299).

2121012012301 is a wasteful number, since it uses less digits than its factorization.

2121012012301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25849.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2121012012301 its reverse (1032102101212), we get a palindrome (3153114113513).

The spelling of 2121012012301 in words is "two trillion, one hundred twenty-one billion, twelve million, twelve thousand, three hundred one".