101000000971 has 2 divisors, whose sum is σ = 101000000972.
Its totient is φ = 101000000970.
The previous prime is 101000000951. The next prime is 101000001031. The reversal of 101000000971 is 179000000101.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 101000000971 - 25 = 101000000939 is a prime.
It is a super-2 number, since 2×1010000009712 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (101000000951) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500000485 + 50500000486.
It is an arithmetic number, because the mean of its divisors is an integer number (50500000486).
Almost surely, 2101000000971 is an apocalyptic number.
101000000971 is a deficient number, since it is larger than the sum of its proper divisors (1).
101000000971 is an equidigital number, since it uses as much as digits as its factorization.
101000000971 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 63, while the sum is 19.
The spelling of 101000000971 in words is "one hundred one billion, nine hundred seventy-one", and thus it is an aban number.