101522572097 has 4 divisors (see below), whose sum is σ = 101626485636. Its totient is φ = 101418658560.

The previous prime is 101522572091. The next prime is 101522572103. The reversal of 101522572097 is 790275225101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (101522572091) and next prime (101522572103).

It can be written as a sum of positive squares in 2 ways, for example, as 55771073281 + 45751498816 = 236159^2 + 213896^2 .

It is a cyclic number.

It is not a de Polignac number, because 101522572097 - 2¹⁸ = 101522309953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101522572091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51955304 + ... + 51957257.

It is an arithmetic number, because the mean of its divisors is an integer number (25406621409).

Almost surely, 2^101522572097 is an apocalyptic number.

It is an amenable number.

101522572097 is a deficient number, since it is larger than the sum of its proper divisors (103913539).

101522572097 is an equidigital number, since it uses as much as digits as its factorization.

101522572097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103913538.

The product of its (nonzero) digits is 88200, while the sum is 41.

Adding to 101522572097 its reverse (790275225101), we get a palindrome (891797797198).

The spelling of 101522572097 in words is "one hundred one billion, five hundred twenty-two million, five hundred seventy-two thousand, ninety-seven".