101220001869929 has 2 divisors, whose sum is σ = 101220001869930. Its totient is φ = 101220001869928.

The previous prime is 101220001869887. The next prime is 101220001869967. The reversal of 101220001869929 is 929968100022101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51977221887529 + 49242779982400 = 7209523^2 + 7017320^2 .

It is a cyclic number.

It is not a de Polignac number, because 101220001869929 - 2²⁸ = 101219733434473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (101220001869979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610000934964 + 50610000934965.

It is an arithmetic number, because the mean of its divisors is an integer number (50610000934965).

Almost surely, 2^{101220001869929} is an apocalyptic number.

It is an amenable number.

101220001869929 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220001869929 is an equidigital number, since it uses as much as digits as its factorization.

101220001869929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 101220001869929 in words is "one hundred one trillion, two hundred twenty billion, one million, eight hundred sixty-nine thousand, nine hundred twenty-nine".