2121030211301 has 8 divisors (see below), whose sum is σ = 2121760368024. Its totient is φ = 2120300190720.

The previous prime is 2121030211283. The next prime is 2121030211309. The reversal of 2121030211301 is 1031120301212.

It can be written as a sum of positive squares in 4 ways, for example, as 870770788801 + 1250259422500 = 933151^2 + 1118150^2 .

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 2121030211301 - 2¹⁴ = 2121030194917 is a prime.

It is a super-2 number, since 2×2121030211301² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2121030211301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121030211309) 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 7 ways as a sum of consecutive naturals, for example, 38097581 + ... + 38153213.

It is an arithmetic number, because the mean of its divisors is an integer number (265220046003).

Almost surely, 2^{2121030211301} is an apocalyptic number.

It is an amenable number.

2121030211301 is a deficient number, since it is larger than the sum of its proper divisors (730156723).

2121030211301 is an equidigital number, since it uses as much as digits as its factorization.

2121030211301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68071.

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

Adding to 2121030211301 its reverse (1031120301212), we get a palindrome (3152150512513).

The spelling of 2121030211301 in words is "two trillion, one hundred twenty-one billion, thirty million, two hundred eleven thousand, three hundred one".