101100121101779 has 2 divisors, whose sum is σ = 101100121101780. Its totient is φ = 101100121101778.

The previous prime is 101100121101757. The next prime is 101100121101893. The reversal of 101100121101779 is 977101121001101.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (977101121001101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101100121101779 - 2³² = 101095826134483 is a prime.

It is not a weakly prime, because it can be changed into another prime (101100121101179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550060550889 + 50550060550890.

It is an arithmetic number, because the mean of its divisors is an integer number (50550060550890).

Almost surely, 2^{101100121101779} is an apocalyptic number.

101100121101779 is a deficient number, since it is larger than the sum of its proper divisors (1).

101100121101779 is an equidigital number, since it uses as much as digits as its factorization.

101100121101779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 32.

The spelling of 101100121101779 in words is "one hundred one trillion, one hundred billion, one hundred twenty-one million, one hundred one thousand, seven hundred seventy-nine".