1121222221202 has 8 divisors (see below), whose sum is σ = 1780764704316. Its totient is φ = 527633986432.

The previous prime is 1121222221193. The next prime is 1121222221243. The reversal of 1121222221202 is 2021222221211.

It can be written as a sum of positive squares in 2 ways, for example, as 1086178755601 + 35043465601 = 1042199^2 + 187199^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 16488562043 + ... + 16488562110.

Almost surely, 2^{1121222221202} is an apocalyptic number.

1121222221202 is a deficient number, since it is larger than the sum of its proper divisors (659542483114).

1121222221202 is a wasteful number, since it uses less digits than its factorization.

1121222221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32977124172.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1121222221202 its reverse (2021222221211), we get a palindrome (3142444442413).

Subtracting 1121222221202 from its reverse (2021222221211), we obtain a palindrome (900000000009).

The spelling of 1121222221202 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred two".