2121130012301 has 4 divisors (see below), whose sum is σ = 2121504974652. Its totient is φ = 2120755049952.

The previous prime is 2121130012283. The next prime is 2121130012363. The reversal of 2121130012301 is 1032100311212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 661455263401 + 1459674748900 = 813299^2 + 1208170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121130012301 is a prime.

It is a super-2 number, since 2×2121130012301² (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 2121130012301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121130012381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187472690 + ... + 187484003.

It is an arithmetic number, because the mean of its divisors is an integer number (530376243663).

Almost surely, 2^{2121130012301} is an apocalyptic number.

It is an amenable number.

2121130012301 is a deficient number, since it is larger than the sum of its proper divisors (374962351).

2121130012301 is an equidigital number, since it uses as much as digits as its factorization.

2121130012301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374962350.

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

Adding to 2121130012301 its reverse (1032100311212), we get a palindrome (3153230323513).

The spelling of 2121130012301 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, twelve thousand, three hundred one".