210200212100109 has 48 divisors (see below), whose sum is σ = 355670689982976. Its totient is φ = 109192689093600.

The previous prime is 210200212100107. The next prime is 210200212100117. The reversal of 210200212100109 is 901001212002012.

It is not a de Polignac number, because 210200212100109 - 2¹ = 210200212100107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200212100107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79535274 + ... + 82135620.

It is an arithmetic number, because the mean of its divisors is an integer number (7409806041312).

Almost surely, 2^{210200212100109} is an apocalyptic number.

It is an amenable number.

210200212100109 is a deficient number, since it is larger than the sum of its proper divisors (145470477882867).

210200212100109 is a wasteful number, since it uses less digits than its factorization.

210200212100109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650366 (or 2650359 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 210200212100109 in words is "two hundred ten trillion, two hundred billion, two hundred twelve million, one hundred thousand, one hundred nine".