1121002022222 has 16 divisors (see below), whose sum is σ = 1707226007760. Its totient is φ = 551932822848.

The previous prime is 1121002022219. The next prime is 1121002022243. The reversal of 1121002022222 is 2222202001211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121002022222.

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 7 ways as a sum of consecutive naturals, for example, 1167053 + ... + 1898424.

It is an arithmetic number, because the mean of its divisors is an integer number (106701625485).

Almost surely, 2^{1121002022222} is an apocalyptic number.

1121002022222 is a deficient number, since it is larger than the sum of its proper divisors (586223985538).

1121002022222 is a wasteful number, since it uses less digits than its factorization.

1121002022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068275.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1121002022222 its reverse (2222202001211), we get a palindrome (3343204023433).

The spelling of 1121002022222 in words is "one trillion, one hundred twenty-one billion, two million, twenty-two thousand, two hundred twenty-two".