210010200200121 has 32 divisors (see below), whose sum is σ = 291803696529408. Its totient is φ = 134249962412160.

The previous prime is 210010200200117. The next prime is 210010200200149. The reversal of 210010200200121 is 121002002010012.

It is not a de Polignac number, because 210010200200121 - 2² = 210010200200117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210010200200097 and 210010200200106.

It is not an unprimeable number, because it can be changed into a prime (210010200250121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61151425 + ... + 64494318.

It is an arithmetic number, because the mean of its divisors is an integer number (9118865516544).

Almost surely, 2^{210010200200121} is an apocalyptic number.

It is an amenable number.

210010200200121 is a deficient number, since it is larger than the sum of its proper divisors (81793496329287).

210010200200121 is a wasteful number, since it uses less digits than its factorization.

210010200200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125646021.

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

Adding to 210010200200121 its reverse (121002002010012), we get a palindrome (331012202210133).

The spelling of 210010200200121 in words is "two hundred ten trillion, ten billion, two hundred million, two hundred thousand, one hundred twenty-one".