101201999971 has 2 divisors, whose sum is σ = 101201999972. Its totient is φ = 101201999970.

The previous prime is 101201999963. The next prime is 101202000017. The reversal of 101201999971 is 179999102101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101201999971 - 2³ = 101201999963 is a prime.

It is a super-4 number, since 4×101201999971⁴ (a number of 45 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (101201999911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600999985 + 50600999986.

It is an arithmetic number, because the mean of its divisors is an integer number (50600999986).

Almost surely, 2^101201999971 is an apocalyptic number.

101201999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201999971 is an equidigital number, since it uses as much as digits as its factorization.

101201999971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 49.

The spelling of 101201999971 in words is "one hundred one billion, two hundred one million, nine hundred ninety-nine thousand, nine hundred seventy-one".