100202002120201 has 2 divisors, whose sum is σ = 100202002120202. Its totient is φ = 100202002120200.

The previous prime is 100202002120177. The next prime is 100202002120211. The reversal of 100202002120201 is 102021200202001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94660446009600 + 5541556110601 = 9729360^2 + 2354051^2 .

It is an emirp because it is prime and its reverse (102021200202001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100202002120201 is a prime.

It is not a weakly prime, because it can be changed into another prime (100202002120211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50101001060100 + 50101001060101.

It is an arithmetic number, because the mean of its divisors is an integer number (50101001060101).

Almost surely, 2^{100202002120201} is an apocalyptic number.

It is an amenable number.

100202002120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100202002120201 is an equidigital number, since it uses as much as digits as its factorization.

100202002120201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100202002120201 its reverse (102021200202001), we get a palindrome (202223202322202).

The spelling of 100202002120201 in words is "one hundred trillion, two hundred two billion, two million, one hundred twenty thousand, two hundred one".