101229971 has 2 divisors, whose sum is σ = 101229972. Its totient is φ = 101229970.

The previous prime is 101229937. The next prime is 101229979. The reversal of 101229971 is 179922101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101229971 - 2¹⁴ = 101213587 is a prime.

It is not a weakly prime, because it can be changed into another prime (101229979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50614985 + 50614986.

It is an arithmetic number, because the mean of its divisors is an integer number (50614986).

Almost surely, 2^101229971 is an apocalyptic number.

101229971 is a deficient number, since it is larger than the sum of its proper divisors (1).

101229971 is an equidigital number, since it uses as much as digits as its factorization.

101229971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 101229971 is about 10061.3106005132. The cubic root of 101229971 is about 466.0541406516.

The spelling of 101229971 in words is "one hundred one million, two hundred twenty-nine thousand, nine hundred seventy-one".