2132111322221 has 8 divisors (see below), whose sum is σ = 2134240877184. Its totient is φ = 2129982180480.

The previous prime is 2132111322217. The next prime is 2132111322251. The reversal of 2132111322221 is 1222231112312.

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 2132111322221 - 2² = 2132111322217 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 (2132111322251) 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, 10791836 + ... + 10987626.

It is an arithmetic number, because the mean of its divisors is an integer number (266780109648).

Almost surely, 2^{2132111322221} is an apocalyptic number.

It is an amenable number.

2132111322221 is a deficient number, since it is larger than the sum of its proper divisors (2129554963).

2132111322221 is a wasteful number, since it uses less digits than its factorization.

2132111322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206611.

The product of its digits is 576, while the sum is 23.

Adding to 2132111322221 its reverse (1222231112312), we get a palindrome (3354342434533).

The spelling of 2132111322221 in words is "two trillion, one hundred thirty-two billion, one hundred eleven million, three hundred twenty-two thousand, two hundred twenty-one".