1121000002202 has 4 divisors (see below), whose sum is σ = 1681500003306. Its totient is φ = 560500001100.

The previous prime is 1121000002193. The next prime is 1121000002207. The reversal of 1121000002202 is 2022000001211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 845846250601 + 275153751601 = 919699^2 + 524551^2 .

It is not an unprimeable number, because it can be changed into a prime (1121000002207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280250000549 + ... + 280250000552.

Almost surely, 2^{1121000002202} is an apocalyptic number.

1121000002202 is a deficient number, since it is larger than the sum of its proper divisors (560500001104).

1121000002202 is an equidigital number, since it uses as much as digits as its factorization.

1121000002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560500001103.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1121000002202 its reverse (2022000001211), we get a palindrome (3143000003413).

Subtracting 1121000002202 from its reverse (2022000001211), we obtain a palindrome (900999999009).

The spelling of 1121000002202 in words is "one trillion, one hundred twenty-one billion, two thousand, two hundred two".