211332321121 has 4 divisors (see below), whose sum is σ = 211334443200.
Its totient is φ = 211330199044.
The previous prime is 211332321107. The next prime is 211332321133. The reversal of 211332321121 is 121123233112.
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 211332321121 - 25 = 211332321089 is a prime.
It is a super-2 number, since 2×2113323211212 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 211332321092 and 211332321101.
It is not an unprimeable number, because it can be changed into a prime (211332321721) 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, 903901 + ... + 1113418.
It is an arithmetic number, because the mean of its divisors is an integer number (52833610800).
Almost surely, 2211332321121 is an apocalyptic number.
It is an amenable number.
211332321121 is a deficient number, since it is larger than the sum of its proper divisors (2122079).
211332321121 is a wasteful number, since it uses less digits than its factorization.
211332321121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2122078.
The product of its digits is 432, while the sum is 22.
Adding to 211332321121 its reverse (121123233112), we get a palindrome (332455554233).
The spelling of 211332321121 in words is "two hundred eleven billion, three hundred thirty-two million, three hundred twenty-one thousand, one hundred twenty-one".