2101200200111 has 2 divisors, whose sum is σ = 2101200200112. Its totient is φ = 2101200200110.

The previous prime is 2101200200093. The next prime is 2101200200131. The reversal of 2101200200111 is 1110020021012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101200200111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101200200092 and 2101200200101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101200200131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050600100055 + 1050600100056.

It is an arithmetic number, because the mean of its divisors is an integer number (1050600100056).

Almost surely, 2^{2101200200111} is an apocalyptic number.

2101200200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101200200111 is an equidigital number, since it uses as much as digits as its factorization.

2101200200111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2101200200111 its reverse (1110020021012), we get a palindrome (3211220221123).

The spelling of 2101200200111 in words is "two trillion, one hundred one billion, two hundred million, two hundred thousand, one hundred eleven".