212132022221311 has 4 divisors (see below), whose sum is σ = 212179617474192. Its totient is φ = 212084426968432.

The previous prime is 212132022221299. The next prime is 212132022221341. The reversal of 212132022221311 is 113122220231212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212132022221311 - 2¹⁹ = 212132021697023 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 (212132022221341) 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, 23797619755 + ... + 23797628668.

It is an arithmetic number, because the mean of its divisors is an integer number (53044904368548).

Almost surely, 2^{212132022221311} is an apocalyptic number.

212132022221311 is a deficient number, since it is larger than the sum of its proper divisors (47595252881).

212132022221311 is an equidigital number, since it uses as much as digits as its factorization.

212132022221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47595252880.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 212132022221311 its reverse (113122220231212), we get a palindrome (325254242452523).

The spelling of 212132022221311 in words is "two hundred twelve trillion, one hundred thirty-two billion, twenty-two million, two hundred twenty-one thousand, three hundred eleven".