201210000200121 has 16 divisors (see below), whose sum is σ = 309884920095168. Its totient is φ = 114772192627200.

The previous prime is 201210000200117. The next prime is 201210000200207. The reversal of 201210000200121 is 121002000012102.

It is not a de Polignac number, because 201210000200121 - 2² = 201210000200117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201210000200097 and 201210000200106.

It is not an unprimeable number, because it can be changed into a prime (201210000200821) 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, 179331550420 + ... + 179331551541.

It is an arithmetic number, because the mean of its divisors is an integer number (19367807505948).

Almost surely, 2^{201210000200121} is an apocalyptic number.

It is an amenable number.

201210000200121 is a deficient number, since it is larger than the sum of its proper divisors (108674919895047).

201210000200121 is a wasteful number, since it uses less digits than its factorization.

201210000200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358663101992.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201210000200121 its reverse (121002000012102), we get a palindrome (322212000212223).

The spelling of 201210000200121 in words is "two hundred one trillion, two hundred ten billion, two hundred thousand, one hundred twenty-one".