1321112202 has 8 divisors (see below), whose sum is σ = 2642224416. Its totient is φ = 440370732.

The previous prime is 1321112189. The next prime is 1321112207. The reversal of 1321112202 is 2022111231.

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

1321112202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1321112207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110092678 + ... + 110092689.

It is an arithmetic number, because the mean of its divisors is an integer number (330278052).

Almost surely, 2^1321112202 is an apocalyptic number.

1321112202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1321112202 is a wasteful number, since it uses less digits than its factorization.

1321112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220185372.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1321112202 is about 36347.1072026372. The cubic root of 1321112202 is about 1097.2693155531.

Adding to 1321112202 its reverse (2022111231), we get a palindrome (3343223433).

The spelling of 1321112202 in words is "one billion, three hundred twenty-one million, one hundred twelve thousand, two hundred two".