1122102211221 has 24 divisors (see below), whose sum is σ = 1629093211200. Its totient is φ = 744247728576.

The previous prime is 1122102211211. The next prime is 1122102211247. The reversal of 1122102211221 is 1221122012211.

1122102211221 is a `hidden beast` number, since 1 + 1 + 221 + 0 + 221 + 1 + 221 = 666.

It is not a de Polignac number, because 1122102211221 - 2⁹ = 1122102210709 is a prime.

It is a super-2 number, since 2×1122102211221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122102211194 and 1122102211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122102211211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35046406 + ... + 35078408.

It is an arithmetic number, because the mean of its divisors is an integer number (67878883800).

Almost surely, 2^{1122102211221} is an apocalyptic number.

It is an amenable number.

1122102211221 is a deficient number, since it is larger than the sum of its proper divisors (506990999979).

1122102211221 is a wasteful number, since it uses less digits than its factorization.

1122102211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51785 (or 51782 counting only the distinct ones).

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

Adding to 1122102211221 its reverse (1221122012211), we get a palindrome (2343224223432).

The spelling of 1122102211221 in words is "one trillion, one hundred twenty-two billion, one hundred two million, two hundred eleven thousand, two hundred twenty-one".