210001200111101 has 32 divisors (see below), whose sum is σ = 242025663360000. Its totient is φ = 178488060001920.

The previous prime is 210001200111089. The next prime is 210001200111103. The reversal of 210001200111101 is 101111002100012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210001200111101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001200111103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2101454105 + ... + 2101554033.

It is an arithmetic number, because the mean of its divisors is an integer number (7563301980000).

Almost surely, 2^{210001200111101} is an apocalyptic number.

It is an amenable number.

210001200111101 is a deficient number, since it is larger than the sum of its proper divisors (32024463248899).

210001200111101 is a wasteful number, since it uses less digits than its factorization.

210001200111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104289.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210001200111101 its reverse (101111002100012), we get a palindrome (311112202211113).

The spelling of 210001200111101 in words is "two hundred ten trillion, one billion, two hundred million, one hundred eleven thousand, one hundred one".