101121311279 has 2 divisors, whose sum is σ = 101121311280. Its totient is φ = 101121311278.

The previous prime is 101121311189. The next prime is 101121311297. The reversal of 101121311279 is 972113121101.

Together with next prime (101121311297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101121311279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101124311279) 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, 50560655639 + 50560655640.

It is an arithmetic number, because the mean of its divisors is an integer number (50560655640).

Almost surely, 2^101121311279 is an apocalyptic number.

101121311279 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121311279 is an equidigital number, since it uses as much as digits as its factorization.

101121311279 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 29.

The spelling of 101121311279 in words is "one hundred one billion, one hundred twenty-one million, three hundred eleven thousand, two hundred seventy-nine".