100011021200197 has 2 divisors, whose sum is σ = 100011021200198. Its totient is φ = 100011021200196.

The previous prime is 100011021200143. The next prime is 100011021200221. The reversal of 100011021200197 is 791002120110001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81433550594916 + 18577470605281 = 9024054^2 + 4310159^2 .

It is a cyclic number.

It is not a de Polignac number, because 100011021200197 - 2¹⁵ = 100011021167429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100011021200117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005510600098 + 50005510600099.

It is an arithmetic number, because the mean of its divisors is an integer number (50005510600099).

Almost surely, 2^{100011021200197} is an apocalyptic number.

It is an amenable number.

100011021200197 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011021200197 is an equidigital number, since it uses as much as digits as its factorization.

100011021200197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 100011021200197 its reverse (791002120110001), we get a palindrome (891013141310198).

The spelling of 100011021200197 in words is "one hundred trillion, eleven billion, twenty-one million, two hundred thousand, one hundred ninety-seven".