100207171501997 has 8 divisors (see below), whose sum is σ = 114522776679936. Its totient is φ = 85891640064912.

The previous prime is 100207171501961. The next prime is 100207171502033. The reversal of 100207171501997 is 799105171702001.

It is an interprime number because it is at equal distance from previous prime (100207171501961) and next prime (100207171502033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100207171501997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100207171501937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15491933 + ... + 20986050.

It is an arithmetic number, because the mean of its divisors is an integer number (14315347084992).

Almost surely, 2^{100207171501997} is an apocalyptic number.

It is an amenable number.

100207171501997 is a deficient number, since it is larger than the sum of its proper divisors (14315605177939).

100207171501997 is an equidigital number, since it uses as much as digits as its factorization.

100207171501997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36870427.

The product of its (nonzero) digits is 277830, while the sum is 50.

The spelling of 100207171501997 in words is "one hundred trillion, two hundred seven billion, one hundred seventy-one million, five hundred one thousand, nine hundred ninety-seven".