1122212102121 has 96 divisors (see below), whose sum is σ = 1951203631104. Its totient is φ = 614215008000.

The previous prime is 1122212102119. The next prime is 1122212102147. The reversal of 1122212102121 is 1212012122211.

1122212102121 is a `hidden beast` number, since 112 + 221 + 210 + 2 + 121 = 666.

It is not a de Polignac number, because 1122212102121 - 2¹ = 1122212102119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122212102094 and 1122212102103.

It is not an unprimeable number, because it can be changed into a prime (1122212102111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2700186 + ... + 3087948.

It is an arithmetic number, because the mean of its divisors is an integer number (20325037824).

Almost surely, 2^{1122212102121} is an apocalyptic number.

1122212102121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122212102121 is a deficient number, since it is larger than the sum of its proper divisors (828991528983).

1122212102121 is a wasteful number, since it uses less digits than its factorization.

1122212102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387875 (or 387872 counting only the distinct ones).

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

Adding to 1122212102121 its reverse (1212012122211), we get a palindrome (2334224224332).

The spelling of 1122212102121 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred two thousand, one hundred twenty-one".