1121022202 has 16 divisors (see below), whose sum is σ = 1744533000. Its totient is φ = 539622720.

The previous prime is 1121022197. The next prime is 1121022209. The reversal of 1121022202 is 2022201211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1120173961 + 848241 = 33469^2 + 921^2 .

It is not an unprimeable number, because it can be changed into a prime (1121022209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7449 + ... + 47932.

Almost surely, 2^1121022202 is an apocalyptic number.

1121022202 is a deficient number, since it is larger than the sum of its proper divisors (623510798).

1121022202 is a wasteful number, since it uses less digits than its factorization.

1121022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55761.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1121022202 is about 33481.6696417607. The cubic root of 1121022202 is about 1038.8146634599.

Adding to 1121022202 its reverse (2022201211), we get a palindrome (3143223413).

The spelling of 1121022202 in words is "one billion, one hundred twenty-one million, twenty-two thousand, two hundred two".