122220001002002 has 4 divisors (see below), whose sum is σ = 183330001503006. Its totient is φ = 61110000501000.

The previous prime is 122220001001981. The next prime is 122220001002059. The reversal of 122220001002002 is 200200100022221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 98229685165921 + 23990315836081 = 9911089^2 + 4897991^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30555000250499 + ... + 30555000250502.

Almost surely, 2^{122220001002002} is an apocalyptic number.

122220001002002 is a deficient number, since it is larger than the sum of its proper divisors (61110000501004).

122220001002002 is an equidigital number, since it uses as much as digits as its factorization.

122220001002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61110000501003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122220001002002 its reverse (200200100022221), we get a palindrome (322420101024223).

The spelling of 122220001002002 in words is "one hundred twenty-two trillion, two hundred twenty billion, one million, two thousand, two".