211331333213331 has 8 divisors (see below), whose sum is σ = 282234776713680. Its totient is φ = 140657722594272.

The previous prime is 211331333213323. The next prime is 211331333213359. The reversal of 211331333213331 is 133312333133112.

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

It is not a de Polignac number, because 211331333213331 - 2³ = 211331333213323 is a prime.

It is a super-2 number, since 2×211331333213331² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211331333213292 and 211331333213301.

It is not an unprimeable number, because it can be changed into a prime (211331333213381) 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, 57458218176 + ... + 57458221853.

It is an arithmetic number, because the mean of its divisors is an integer number (35279347089210).

Almost surely, 2^{211331333213331} is an apocalyptic number.

211331333213331 is a deficient number, since it is larger than the sum of its proper divisors (70903443500349).

211331333213331 is a wasteful number, since it uses less digits than its factorization.

211331333213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114916440645.

The product of its digits is 26244, while the sum is 33.

Adding to 211331333213331 its reverse (133312333133112), we get a palindrome (344643666346443).

The spelling of 211331333213331 in words is "two hundred eleven trillion, three hundred thirty-one billion, three hundred thirty-three million, two hundred thirteen thousand, three hundred thirty-one".