1220011002202 has 8 divisors (see below), whose sum is σ = 1830110809716. Its totient is φ = 609974065632.

The previous prime is 1220011002157. The next prime is 1220011002289. The reversal of 1220011002202 is 2022001100221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1012939589601 + 207071412601 = 1006449^2 + 455051^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15669193 + ... + 15746860.

Almost surely, 2^{1220011002202} is an apocalyptic number.

1220011002202 is a deficient number, since it is larger than the sum of its proper divisors (610099807514).

1220011002202 is a wasteful number, since it uses less digits than its factorization.

1220011002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31435472.

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

Adding to 1220011002202 its reverse (2022001100221), we get a palindrome (3242012102423).

The spelling of 1220011002202 in words is "one trillion, two hundred twenty billion, eleven million, two thousand, two hundred two".