221211222101002 has 8 divisors (see below), whose sum is σ = 379219237887456. Its totient is φ = 94804809471852.

The previous prime is 221211222100901. The next prime is 221211222101011. The reversal of 221211222101002 is 200101222112122.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7900400789308 + ... + 7900400789335.

It is an arithmetic number, because the mean of its divisors is an integer number (47402404735932).

Almost surely, 2^{221211222101002} is an apocalyptic number.

221211222101002 is a deficient number, since it is larger than the sum of its proper divisors (158008015786454).

221211222101002 is a wasteful number, since it uses less digits than its factorization.

221211222101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800801578652.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 221211222101002 its reverse (200101222112122), we get a palindrome (421312444213124).

The spelling of 221211222101002 in words is "two hundred twenty-one trillion, two hundred eleven billion, two hundred twenty-two million, one hundred one thousand, two".