100220137597 has 2 divisors, whose sum is σ = 100220137598. Its totient is φ = 100220137596.

The previous prime is 100220137573. The next prime is 100220137651. The reversal of 100220137597 is 795731022001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86404250916 + 13815886681 = 293946^2 + 117541^2 .

It is a cyclic number.

It is not a de Polignac number, because 100220137597 - 2¹¹ = 100220135549 is a prime.

It is a super-2 number, since 2×100220137597² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100220137517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110068798 + 50110068799.

It is an arithmetic number, because the mean of its divisors is an integer number (50110068799).

Almost surely, 2^100220137597 is an apocalyptic number.

It is an amenable number.

100220137597 is a deficient number, since it is larger than the sum of its proper divisors (1).

100220137597 is an equidigital number, since it uses as much as digits as its factorization.

100220137597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

Adding to 100220137597 its reverse (795731022001), we get a palindrome (895951159598).

The spelling of 100220137597 in words is "one hundred billion, two hundred twenty million, one hundred thirty-seven thousand, five hundred ninety-seven".