101123021971 has 2 divisors, whose sum is σ = 101123021972. Its totient is φ = 101123021970.

The previous prime is 101123021941. The next prime is 101123022017. The reversal of 101123021971 is 179120321101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101123021971 - 2⁷ = 101123021843 is a prime.

It is not a weakly prime, because it can be changed into another prime (101123021941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561510985 + 50561510986.

It is an arithmetic number, because the mean of its divisors is an integer number (50561510986).

Almost surely, 2^101123021971 is an apocalyptic number.

101123021971 is a deficient number, since it is larger than the sum of its proper divisors (1).

101123021971 is an equidigital number, since it uses as much as digits as its factorization.

101123021971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 28.

The spelling of 101123021971 in words is "one hundred one billion, one hundred twenty-three million, twenty-one thousand, nine hundred seventy-one".