2121013330241 has 16 divisors (see below), whose sum is σ = 2404713830400. Its totient is φ = 1854561598848.

The previous prime is 2121013330231. The next prime is 2121013330291. The reversal of 2121013330241 is 1420333101212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121013330241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121013330231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253120 + ... + 2410878.

It is an arithmetic number, because the mean of its divisors is an integer number (150294614400).

Almost surely, 2^{2121013330241} is an apocalyptic number.

It is an amenable number.

2121013330241 is a deficient number, since it is larger than the sum of its proper divisors (283700500159).

2121013330241 is a wasteful number, since it uses less digits than its factorization.

2121013330241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165208.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2121013330241 its reverse (1420333101212), we get a palindrome (3541346431453).

The spelling of 2121013330241 in words is "two trillion, one hundred twenty-one billion, thirteen million, three hundred thirty thousand, two hundred forty-one".