2101202128211 has 2 divisors, whose sum is σ = 2101202128212. Its totient is φ = 2101202128210.

The previous prime is 2101202128163. The next prime is 2101202128217. The reversal of 2101202128211 is 1128212021012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101202128211 - 2¹⁰ = 2101202127187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101202128217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050601064105 + 1050601064106.

It is an arithmetic number, because the mean of its divisors is an integer number (1050601064106).

Almost surely, 2^{2101202128211} is an apocalyptic number.

2101202128211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101202128211 is an equidigital number, since it uses as much as digits as its factorization.

2101202128211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 2101202128211 its reverse (1128212021012), we get a palindrome (3229414149223).

The spelling of 2101202128211 in words is "two trillion, one hundred one billion, two hundred two million, one hundred twenty-eight thousand, two hundred eleven".