1121222202 has 32 divisors (see below), whose sum is σ = 2277258624. Its totient is φ = 367953600.

The previous prime is 1121222197. The next prime is 1121222209. The reversal of 1121222202 is 2022221211.

1121222202 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1121222209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399468 + ... + 402264.

It is an arithmetic number, because the mean of its divisors is an integer number (71164332).

Almost surely, 2^1121222202 is an apocalyptic number.

1121222202 is an abundant number, since it is smaller than the sum of its proper divisors (1156036422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121222202 is a wasteful number, since it uses less digits than its factorization.

1121222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1121222202 is about 33484.6562174379. The cubic root of 1121222202 is about 1038.8764376091.

Adding to 1121222202 its reverse (2022221211), we get a palindrome (3143443413).

Subtracting 1121222202 from its reverse (2022221211), we obtain a palindrome (900999009).

The spelling of 1121222202 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred two".