210212200121 has 8 divisors (see below), whose sum is σ = 262082743104. Its totient is φ = 163801714320.

The previous prime is 210212200069. The next prime is 210212200139. The reversal of 210212200121 is 121002212012.

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 210212200121 - 2¹⁰ = 210212199097 is a prime.

It is a super-2 number, since 2×210212200121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210212200096 and 210212200105.

It is not an unprimeable number, because it can be changed into a prime (210212200181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365014210 + ... + 1365014363.

It is an arithmetic number, because the mean of its divisors is an integer number (32760342888).

Almost surely, 2^210212200121 is an apocalyptic number.

It is an amenable number.

210212200121 is a deficient number, since it is larger than the sum of its proper divisors (51870542983).

210212200121 is a wasteful number, since it uses less digits than its factorization.

210212200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730028591.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210212200121 its reverse (121002212012), we get a palindrome (331214412133).

The spelling of 210212200121 in words is "two hundred ten billion, two hundred twelve million, two hundred thousand, one hundred twenty-one".