101721150111479 has 2 divisors, whose sum is σ = 101721150111480. Its totient is φ = 101721150111478.

The previous prime is 101721150111403. The next prime is 101721150111487. The reversal of 101721150111479 is 974111051127101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101721150111479 - 2⁸ = 101721150111223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101721150111379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50860575055739 + 50860575055740.

It is an arithmetic number, because the mean of its divisors is an integer number (50860575055740).

Almost surely, 2^{101721150111479} is an apocalyptic number.

101721150111479 is a deficient number, since it is larger than the sum of its proper divisors (1).

101721150111479 is an equidigital number, since it uses as much as digits as its factorization.

101721150111479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 41.

The spelling of 101721150111479 in words is "one hundred one trillion, seven hundred twenty-one billion, one hundred fifty million, one hundred eleven thousand, four hundred seventy-nine".