200211001222121 has 16 divisors (see below), whose sum is σ = 207395398602240. Its totient is φ = 193045325699520.

The previous prime is 200211001222117. The next prime is 200211001222147. The reversal of 200211001222121 is 121222100112002.

It is a cyclic number.

It is not a de Polignac number, because 200211001222121 - 2² = 200211001222117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200211001222121.

It is not an unprimeable number, because it can be changed into a prime (200211001822121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732896060 + ... + 733169186.

It is an arithmetic number, because the mean of its divisors is an integer number (12962212412640).

Almost surely, 2^{200211001222121} is an apocalyptic number.

It is an amenable number.

200211001222121 is a deficient number, since it is larger than the sum of its proper divisors (7184397380119).

200211001222121 is a wasteful number, since it uses less digits than its factorization.

200211001222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307304.

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

Adding to 200211001222121 its reverse (121222100112002), we get a palindrome (321433101334123).

The spelling of 200211001222121 in words is "two hundred trillion, two hundred eleven billion, one million, two hundred twenty-two thousand, one hundred twenty-one".