1001221002202 has 8 divisors (see below), whose sum is σ = 1501995898836. Its totient is φ = 500555702592.

The previous prime is 1001221002193. The next prime is 1001221002209. The reversal of 1001221002202 is 2022001221001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 989465888961 + 11755113241 = 994719^2 + 108421^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1001221002209) 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, 27376413 + ... + 27412960.

Almost surely, 2^{1001221002202} is an apocalyptic number.

1001221002202 is a deficient number, since it is larger than the sum of its proper divisors (500774896634).

1001221002202 is an equidigital number, since it uses as much as digits as its factorization.

1001221002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54798512.

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

Adding to 1001221002202 its reverse (2022001221001), we get a palindrome (3023222223203).

The spelling of 1001221002202 in words is "one trillion, one billion, two hundred twenty-one million, two thousand, two hundred two".