2212210211121 has 16 divisors (see below), whose sum is σ = 3278714688000. Its totient is φ = 1474192005264.

The previous prime is 2212210211119. The next prime is 2212210211129. The reversal of 2212210211121 is 1211120122122.

2212210211121 is a `hidden beast` number, since 221 + 2 + 210 + 211 + 1 + 21 = 666.

It is not a de Polignac number, because 2212210211121 - 2¹ = 2212210211119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212210211094 and 2212210211103.

It is not an unprimeable number, because it can be changed into a prime (2212210211129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17011866 + ... + 17141411.

It is an arithmetic number, because the mean of its divisors is an integer number (204919668000).

Almost surely, 2^{2212210211121} is an apocalyptic number.

It is an amenable number.

2212210211121 is a deficient number, since it is larger than the sum of its proper divisors (1066504476879).

2212210211121 is a wasteful number, since it uses less digits than its factorization.

2212210211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34155685 (or 34155679 counting only the distinct ones).

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

Adding to 2212210211121 its reverse (1211120122122), we get a palindrome (3423330333243).

The spelling of 2212210211121 in words is "two trillion, two hundred twelve billion, two hundred ten million, two hundred eleven thousand, one hundred twenty-one".