100211110020097 has 2 divisors, whose sum is σ = 100211110020098. Its totient is φ = 100211110020096.

The previous prime is 100211110020083. The next prime is 100211110020149. The reversal of 100211110020097 is 790020011112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50941393880976 + 49269716139121 = 7137324^2 + 7019239^2 .

It is an emirp because it is prime and its reverse (790020011112001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100211110020097 - 2¹¹ = 100211110018049 is a prime.

It is not a weakly prime, because it can be changed into another prime (100211110020397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50105555010048 + 50105555010049.

It is an arithmetic number, because the mean of its divisors is an integer number (50105555010049).

Almost surely, 2^{100211110020097} is an apocalyptic number.

It is an amenable number.

100211110020097 is a deficient number, since it is larger than the sum of its proper divisors (1).

100211110020097 is an equidigital number, since it uses as much as digits as its factorization.

100211110020097 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 100211110020097 its reverse (790020011112001), we get a palindrome (890231121132098).

The spelling of 100211110020097 in words is "one hundred trillion, two hundred eleven billion, one hundred ten million, twenty thousand, ninety-seven".