210200112220121 has 32 divisors (see below), whose sum is σ = 224858906616960. Its totient is φ = 195908805328896.

The previous prime is 210200112220097. The next prime is 210200112220151. The reversal of 210200112220121 is 121022211002012.

It is a cyclic number.

It is not a de Polignac number, because 210200112220121 - 2¹⁴ = 210200112203737 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 210200112220121.

It is not an unprimeable number, because it can be changed into a prime (210200112220151) 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, 3207317465 + ... + 3207383001.

It is an arithmetic number, because the mean of its divisors is an integer number (7026840831780).

Almost surely, 2^{210200112220121} is an apocalyptic number.

It is an amenable number.

210200112220121 is a deficient number, since it is larger than the sum of its proper divisors (14658794396839).

210200112220121 is a wasteful number, since it uses less digits than its factorization.

210200112220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68873.

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

Adding to 210200112220121 its reverse (121022211002012), we get a palindrome (331222323222133).

The spelling of 210200112220121 in words is "two hundred ten trillion, two hundred billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty-one".