2121023124101 has 16 divisors (see below), whose sum is σ = 2428185999360. Its totient is φ = 1814902634160.

The previous prime is 2121023124089. The next prime is 2121023124109. The reversal of 2121023124101 is 1014213201212.

It is not a de Polignac number, because 2121023124101 - 2³⁴ = 2103843254917 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 (2121023124109) 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 15 ways as a sum of consecutive naturals, for example, 10235246 + ... + 10440416.

It is an arithmetic number, because the mean of its divisors is an integer number (151761624960).

Almost surely, 2^{2121023124101} is an apocalyptic number.

It is an amenable number.

2121023124101 is a deficient number, since it is larger than the sum of its proper divisors (307162875259).

2121023124101 is a wasteful number, since it uses less digits than its factorization.

2121023124101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207704.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2121023124101 its reverse (1014213201212), we get a palindrome (3135236325313).

The spelling of 2121023124101 in words is "two trillion, one hundred twenty-one billion, twenty-three million, one hundred twenty-four thousand, one hundred one".