101002220197 has 2 divisors, whose sum is σ = 101002220198. Its totient is φ = 101002220196.

The previous prime is 101002220119. The next prime is 101002220201. The reversal of 101002220197 is 791022200101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81861220996 + 19140999201 = 286114^2 + 138351^2 .

It is a cyclic number.

It is not a de Polignac number, because 101002220197 - 2⁷ = 101002220069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101002220107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50501110098 + 50501110099.

It is an arithmetic number, because the mean of its divisors is an integer number (50501110099).

Almost surely, 2^101002220197 is an apocalyptic number.

It is an amenable number.

101002220197 is a deficient number, since it is larger than the sum of its proper divisors (1).

101002220197 is an equidigital number, since it uses as much as digits as its factorization.

101002220197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 101002220197 its reverse (791022200101), we get a palindrome (892024420298).

The spelling of 101002220197 in words is "one hundred one billion, two million, two hundred twenty thousand, one hundred ninety-seven".