1121122212122 has 32 divisors (see below), whose sum is σ = 1859321988288. Its totient is φ = 502759600000.

The previous prime is 1121122212097. The next prime is 1121122212167. The reversal of 1121122212122 is 2212122211211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1121122212094 and 1121122212103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273404 + ... + 1522167.

It is an arithmetic number, because the mean of its divisors is an integer number (58103812134).

Almost surely, 2^{1121122212122} is an apocalyptic number.

1121122212122 is a deficient number, since it is larger than the sum of its proper divisors (738199776166).

1121122212122 is a wasteful number, since it uses less digits than its factorization.

1121122212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795966.

The product of its digits is 128, while the sum is 20.

Adding to 1121122212122 its reverse (2212122211211), we get a palindrome (3333244423333).

The spelling of 1121122212122 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".