2100200011237 has 2 divisors, whose sum is σ = 2100200011238. Its totient is φ = 2100200011236.

The previous prime is 2100200011177. The next prime is 2100200011253. The reversal of 2100200011237 is 7321100020012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1634713116481 + 465486894756 = 1278559^2 + 682266^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100200011237 - 2¹¹ = 2100200009189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100200011937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050100005618 + 1050100005619.

It is an arithmetic number, because the mean of its divisors is an integer number (1050100005619).

Almost surely, 2^{2100200011237} is an apocalyptic number.

It is an amenable number.

2100200011237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100200011237 is an equidigital number, since it uses as much as digits as its factorization.

2100200011237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 2100200011237 its reverse (7321100020012), we get a palindrome (9421300031249).

The spelling of 2100200011237 in words is "two trillion, one hundred billion, two hundred million, eleven thousand, two hundred thirty-seven".