2211132121 has 8 divisors (see below), whose sum is σ = 2412489600. Its totient is φ = 2009832240.

The previous prime is 2211132107. The next prime is 2211132127. The reversal of 2211132121 is 1212311122.

2211132121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2211132121 - 2⁹ = 2211131609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2211132095 and 2211132104.

It is not an unprimeable number, because it can be changed into a prime (2211132127) 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, 122560 + ... + 139438.

It is an arithmetic number, because the mean of its divisors is an integer number (301561200).

Almost surely, 2^2211132121 is an apocalyptic number.

It is an amenable number.

2211132121 is a deficient number, since it is larger than the sum of its proper divisors (201357479).

2211132121 is a wasteful number, since it uses less digits than its factorization.

2211132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28799.

The product of its digits is 48, while the sum is 16.

The square root of 2211132121 is about 47022.6766677525. The cubic root of 2211132121 is about 1302.7814452416.

Adding to 2211132121 its reverse (1212311122), we get a palindrome (3423443243).

The spelling of 2211132121 in words is "two billion, two hundred eleven million, one hundred thirty-two thousand, one hundred twenty-one".