1121020222102 has 32 divisors (see below), whose sum is σ = 1971292049280. Its totient is φ = 472422910080.

The previous prime is 1121020222093. The next prime is 1121020222109. The reversal of 1121020222102 is 2012220201211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121020222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22343452 + ... + 22393567.

It is an arithmetic number, because the mean of its divisors is an integer number (61602876540).

Almost surely, 2^{1121020222102} is an apocalyptic number.

1121020222102 is a deficient number, since it is larger than the sum of its proper divisors (850271827178).

1121020222102 is a wasteful number, since it uses less digits than its factorization.

1121020222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44737116.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1121020222102 its reverse (2012220201211), we get a palindrome (3133240423313).

The spelling of 1121020222102 in words is "one trillion, one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, one hundred two".