1121022222002 has 8 divisors (see below), whose sum is σ = 1694369465712. Its totient is φ = 556232400100.

The previous prime is 1121022221989. The next prime is 1121022222029. The reversal of 1121022222002 is 2002222201211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2139355124 + ... + 2139355647.

It is an arithmetic number, because the mean of its divisors is an integer number (211796183214).

Almost surely, 2^{1121022222002} is an apocalyptic number.

1121022222002 is a deficient number, since it is larger than the sum of its proper divisors (573347243710).

1121022222002 is a wasteful number, since it uses less digits than its factorization.

1121022222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278710904.

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

Adding to 1121022222002 its reverse (2002222201211), we get a palindrome (3123244423213).

The spelling of 1121022222002 in words is "one trillion, one hundred twenty-one billion, twenty-two million, two hundred twenty-two thousand, two".