2121033121301 has 8 divisors (see below), whose sum is σ = 2195834934144. Its totient is φ = 2047467702240.

The previous prime is 2121033121283. The next prime is 2121033121309. The reversal of 2121033121301 is 1031213301212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121033121301 - 2⁶ = 2121033121237 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 (2121033121309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309094955 + ... + 309101816.

It is an arithmetic number, because the mean of its divisors is an integer number (274479366768).

Almost surely, 2^{2121033121301} is an apocalyptic number.

It is an amenable number.

2121033121301 is a deficient number, since it is larger than the sum of its proper divisors (74801812843).

2121033121301 is an equidigital number, since it uses as much as digits as its factorization.

2121033121301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618196891.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2121033121301 its reverse (1031213301212), we get a palindrome (3152246422513).

The spelling of 2121033121301 in words is "two trillion, one hundred twenty-one billion, thirty-three million, one hundred twenty-one thousand, three hundred one".