2121010230013 has 4 divisors (see below), whose sum is σ = 2121643938240. Its totient is φ = 2120376521788.

The previous prime is 2121010229977. The next prime is 2121010230037. The reversal of 2121010230013 is 3100320101212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2121010230013 - 2¹³ = 2121010221821 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 (2121010237013) 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, 316849093 + ... + 316855786.

It is an arithmetic number, because the mean of its divisors is an integer number (530410984560).

Almost surely, 2^{2121010230013} is an apocalyptic number.

It is an amenable number.

2121010230013 is a deficient number, since it is larger than the sum of its proper divisors (633708227).

2121010230013 is an equidigital number, since it uses as much as digits as its factorization.

2121010230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633708226.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2121010230013 its reverse (3100320101212), we get a palindrome (5221330331225).

The spelling of 2121010230013 in words is "two trillion, one hundred twenty-one billion, ten million, two hundred thirty thousand, thirteen".