211202200212121 has 8 divisors (see below), whose sum is σ = 218117480991488. Its totient is φ = 204293313594000.

The previous prime is 211202200212071. The next prime is 211202200212161. The reversal of 211202200212121 is 121212002202112.

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

It is a cyclic number.

It is not a de Polignac number, because 211202200212121 - 2²⁷ = 211202065994393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211202200212161) by changing a digit.

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, 1598473170 + ... + 1598605291.

It is an arithmetic number, because the mean of its divisors is an integer number (27264685123936).

Almost surely, 2^{211202200212121} is an apocalyptic number.

It is an amenable number.

211202200212121 is a deficient number, since it is larger than the sum of its proper divisors (6915280779367).

211202200212121 is a wasteful number, since it uses less digits than its factorization.

211202200212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197080623.

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

Adding to 211202200212121 its reverse (121212002202112), we get a palindrome (332414202414233).

The spelling of 211202200212121 in words is "two hundred eleven trillion, two hundred two billion, two hundred million, two hundred twelve thousand, one hundred twenty-one".