1121122231222 has 32 divisors (see below), whose sum is σ = 1928247070464. Its totient is φ = 478902736800.

The previous prime is 1121122231219. The next prime is 1121122231241. The reversal of 1121122231222 is 2221322211211.

It is a super-2 number, since 2×1121122231222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121122231193 and 1121122231202.

It is a congruent number.

It is an unprimeable number.

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, 5112697 + ... + 5327467.

It is an arithmetic number, because the mean of its divisors is an integer number (60257720952).

Almost surely, 2^{1121122231222} is an apocalyptic number.

1121122231222 is a deficient number, since it is larger than the sum of its proper divisors (807124839242).

1121122231222 is a wasteful number, since it uses less digits than its factorization.

1121122231222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216004.

The product of its digits is 384, while the sum is 22.

Adding to 1121122231222 its reverse (2221322211211), we get a palindrome (3342444442433).

The spelling of 1121122231222 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred twenty-two".