100000211020201 has 2 divisors, whose sum is σ = 100000211020202. Its totient is φ = 100000211020200.

The previous prime is 100000211020117. The next prime is 100000211020421. The reversal of 100000211020201 is 102020112000001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83316294706176 + 16683916314025 = 9127776^2 + 4084595^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000211020201 - 2²¹ = 100000208923049 is a prime.

It is not a weakly prime, because it can be changed into another prime (100000211020901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000105510100 + 50000105510101.

It is an arithmetic number, because the mean of its divisors is an integer number (50000105510101).

Almost surely, 2^{100000211020201} is an apocalyptic number.

It is an amenable number.

100000211020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000211020201 is an equidigital number, since it uses as much as digits as its factorization.

100000211020201 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 10.

Adding to 100000211020201 its reverse (102020112000001), we get a palindrome (202020323020202).

The spelling of 100000211020201 in words is "one hundred trillion, two hundred eleven million, twenty thousand, two hundred one".