2121132113211 has 8 divisors (see below), whose sum is σ = 2951140331520. Its totient is φ = 1352605985192.

The previous prime is 2121132113203. The next prime is 2121132113239. The reversal of 2121132113211 is 1123112311212.

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 2121132113211 - 2³ = 2121132113203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121132113251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15370522491 + ... + 15370522628.

It is an arithmetic number, because the mean of its divisors is an integer number (368892541440).

Almost surely, 2^{2121132113211} is an apocalyptic number.

2121132113211 is a deficient number, since it is larger than the sum of its proper divisors (830008218309).

2121132113211 is a wasteful number, since it uses less digits than its factorization.

2121132113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30741045145.

The product of its digits is 144, while the sum is 21.

Adding to 2121132113211 its reverse (1123112311212), we get a palindrome (3244244424423).

The spelling of 2121132113211 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-two million, one hundred thirteen thousand, two hundred eleven".