211211333013133 has 4 divisors (see below), whose sum is σ = 211211705466720. Its totient is φ = 211210960559548.

The previous prime is 211211333013059. The next prime is 211211333013167. The reversal of 211211333013133 is 331310333112112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211211333013133 - 2¹⁷ = 211211332882061 is a prime.

It is a super-2 number, since 2×211211333013133² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211211333016133) 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, 185374873 + ... + 186510766.

It is an arithmetic number, because the mean of its divisors is an integer number (52802926366680).

Almost surely, 2^{211211333013133} is an apocalyptic number.

It is an amenable number.

211211333013133 is a deficient number, since it is larger than the sum of its proper divisors (372453587).

211211333013133 is an equidigital number, since it uses as much as digits as its factorization.

211211333013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372453586.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 211211333013133 its reverse (331310333112112), we get a palindrome (542521666125245).

The spelling of 211211333013133 in words is "two hundred eleven trillion, two hundred eleven billion, three hundred thirty-three million, thirteen thousand, one hundred thirty-three".