1122102212121 has 36 divisors (see below), whose sum is σ = 1782302995200. Its totient is φ = 679776886800.

The previous prime is 1122102212111. The next prime is 1122102212131. The reversal of 1122102212121 is 1212122012211.

1122102212121 is a `hidden beast` number, since 11 + 221 + 0 + 221 + 212 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1122102212111) and next prime (1122102212131).

It is not a de Polignac number, because 1122102212121 - 2¹⁴ = 1122102195737 is a prime.

It is a super-3 number, since 3×1122102212121³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1122102212094 and 1122102212103.

It is not an unprimeable number, because it can be changed into a prime (1122102212111) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2397756 + ... + 2827266.

Almost surely, 2^{1122102212121} is an apocalyptic number.

1122102212121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122102212121 is a deficient number, since it is larger than the sum of its proper divisors (660200783079).

1122102212121 is a wasteful number, since it uses less digits than its factorization.

1122102212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431938 (or 431924 counting only the distinct ones).

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

Adding to 1122102212121 its reverse (1212122012211), we get a palindrome (2334224224332).

The spelling of 1122102212121 in words is "one trillion, one hundred twenty-two billion, one hundred two million, two hundred twelve thousand, one hundred twenty-one".