211132221213 has 8 divisors (see below), whose sum is σ = 289117996768. Its totient is φ = 136950629904.

The previous prime is 211132221199. The next prime is 211132221229. The reversal of 211132221213 is 312122231112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211132221213 - 2⁴ = 211132221197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211132221213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211132221253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951045931 + ... + 951046152.

It is an arithmetic number, because the mean of its divisors is an integer number (36139749596).

Almost surely, 2^211132221213 is an apocalyptic number.

It is an amenable number.

211132221213 is a deficient number, since it is larger than the sum of its proper divisors (77985775555).

211132221213 is a wasteful number, since it uses less digits than its factorization.

211132221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902092123.

The product of its digits is 288, while the sum is 21.

Adding to 211132221213 its reverse (312122231112), we get a palindrome (523254452325).

The spelling of 211132221213 in words is "two hundred eleven billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred thirteen".