211201200200121 has 16 divisors (see below), whose sum is σ = 287747727049728. Its totient is φ = 137758013229200.

The previous prime is 211201200200093. The next prime is 211201200200149. The reversal of 211201200200121 is 121002002102112.

It is an interprime number because it is at equal distance from previous prime (211201200200093) and next prime (211201200200149).

It is a cyclic number.

It is not a de Polignac number, because 211201200200121 - 2⁷ = 211201200199993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211201200200121.

It is not an unprimeable number, because it can be changed into a prime (211201200200521) 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, 3784532901 + ... + 3784588706.

It is an arithmetic number, because the mean of its divisors is an integer number (17984232940608).

Almost surely, 2^{211201200200121} is an apocalyptic number.

It is an amenable number.

211201200200121 is a deficient number, since it is larger than the sum of its proper divisors (76546526849607).

211201200200121 is a wasteful number, since it uses less digits than its factorization.

211201200200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569121812.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211201200200121 its reverse (121002002102112), we get a palindrome (332203202302233).

The spelling of 211201200200121 in words is "two hundred eleven trillion, two hundred one billion, two hundred million, two hundred thousand, one hundred twenty-one".