2211211103121 has 16 divisors (see below), whose sum is σ = 3275899852800. Its totient is φ = 1474126537104.

The previous prime is 2211211103099. The next prime is 2211211103177. The reversal of 2211211103121 is 1213011121122.

It is a happy number.

2211211103121 is a `hidden beast` number, since 221 + 1 + 21 + 110 + 312 + 1 = 666.

It is not a de Polignac number, because 2211211103121 - 2⁵ = 2211211103089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2211211103094 and 2211211103103.

It is not an unprimeable number, because it can be changed into a prime (2211211103191) 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, 2988295 + ... + 3654083.

It is an arithmetic number, because the mean of its divisors is an integer number (204743740800).

Almost surely, 2^{2211211103121} is an apocalyptic number.

It is an amenable number.

2211211103121 is a deficient number, since it is larger than the sum of its proper divisors (1064688749679).

2211211103121 is a wasteful number, since it uses less digits than its factorization.

2211211103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788805 (or 788799 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 2211211103121 its reverse (1213011121122), we get a palindrome (3424222224243).

The spelling of 2211211103121 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred three thousand, one hundred twenty-one".