1121222122122 has 32 divisors (see below), whose sum is σ = 2364558696000. Its totient is φ = 353456483328.

The previous prime is 1121222122093. The next prime is 1121222122127. The reversal of 1121222122122 is 2212212221211.

It is a super-2 number, since 2×1121222122122² (a number of 25 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1121222122127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8456997 + ... + 8588552.

It is an arithmetic number, because the mean of its divisors is an integer number (73892459250).

Almost surely, 2^{1121222122122} is an apocalyptic number.

1121222122122 is an abundant number, since it is smaller than the sum of its proper divisors (1243336573878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121222122122 is a wasteful number, since it uses less digits than its factorization.

1121222122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17046150.

The product of its digits is 256, while the sum is 21.

Adding to 1121222122122 its reverse (2212212221211), we get a palindrome (3333434343333).

The spelling of 1121222122122 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".