2211120122121 has 12 divisors (see below), whose sum is σ = 3195264120048. Its totient is φ = 1473422876664.

The previous prime is 2211120122119. The next prime is 2211120122161. The reversal of 2211120122121 is 1212210211122.

2211120122121 is a `hidden beast` number, since 221 + 1 + 1 + 201 + 221 + 21 = 666.

It is not a de Polignac number, because 2211120122121 - 2¹ = 2211120122119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211120122094 and 2211120122103.

It is not an unprimeable number, because it can be changed into a prime (2211120122161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54745755 + ... + 54786128.

It is an arithmetic number, because the mean of its divisors is an integer number (266272010004).

Almost surely, 2^{2211120122121} is an apocalyptic number.

It is an amenable number.

2211120122121 is a deficient number, since it is larger than the sum of its proper divisors (984143997927).

2211120122121 is a wasteful number, since it uses less digits than its factorization.

2211120122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109534132 (or 109534129 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2211120122121 its reverse (1212210211122), we get a palindrome (3423330333243).

The spelling of 2211120122121 in words is "two trillion, two hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty-one".