2121130332201 has 4 divisors (see below), whose sum is σ = 2828173776272. Its totient is φ = 1414086888132.

The previous prime is 2121130332199. The next prime is 2121130332227. The reversal of 2121130332201 is 1022330311212.

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 not a de Polignac number, because 2121130332201 - 2¹ = 2121130332199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121130332271) 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, 353521722031 + ... + 353521722036.

It is an arithmetic number, because the mean of its divisors is an integer number (707043444068).

Almost surely, 2^{2121130332201} is an apocalyptic number.

It is an amenable number.

2121130332201 is a deficient number, since it is larger than the sum of its proper divisors (707043444071).

2121130332201 is an equidigital number, since it uses as much as digits as its factorization.

2121130332201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707043444070.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2121130332201 its reverse (1022330311212), we get a palindrome (3143460643413).

The spelling of 2121130332201 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, three hundred thirty-two thousand, two hundred one".