101102221211197 has 2 divisors, whose sum is σ = 101102221211198. Its totient is φ = 101102221211196.

The previous prime is 101102221211177. The next prime is 101102221211249. The reversal of 101102221211197 is 791112122201101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91874927989881 + 9227293221316 = 9585141^2 + 3037646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101102221211197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101102221211177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50551110605598 + 50551110605599.

It is an arithmetic number, because the mean of its divisors is an integer number (50551110605599).

Almost surely, 2^{101102221211197} is an apocalyptic number.

It is an amenable number.

101102221211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

101102221211197 is an equidigital number, since it uses as much as digits as its factorization.

101102221211197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 31.

Adding to 101102221211197 its reverse (791112122201101), we get a palindrome (892214343412298).

The spelling of 101102221211197 in words is "one hundred one trillion, one hundred two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred ninety-seven".