212221121100002 has 16 divisors (see below), whose sum is σ = 365257068990912. Its totient is φ = 90589550838000.

The previous prime is 212221121099963. The next prime is 212221121100017. The reversal of 212221121100002 is 200001121122212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30196513433 + ... + 30196520460.

It is an arithmetic number, because the mean of its divisors is an integer number (22828566811932).

Almost surely, 2^{212221121100002} is an apocalyptic number.

212221121100002 is a deficient number, since it is larger than the sum of its proper divisors (153035947890910).

212221121100002 is a wasteful number, since it uses less digits than its factorization.

212221121100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60393034153.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212221121100002 its reverse (200001121122212), we get a palindrome (412222242222214).

The spelling of 212221121100002 in words is "two hundred twelve trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred thousand, two".