101021159 has 2 divisors, whose sum is σ = 101021160. Its totient is φ = 101021158.

The previous prime is 101021153. The next prime is 101021177. The reversal of 101021159 is 951120101.

It is a weak prime.

It is an emirp because it is prime and its reverse (951120101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101021159 - 2²⁰ = 99972583 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101021159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510579 + 50510580.

It is an arithmetic number, because the mean of its divisors is an integer number (50510580).

Almost surely, 2^101021159 is an apocalyptic number.

101021159 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021159 is an equidigital number, since it uses as much as digits as its factorization.

101021159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 101021159 is about 10050.9282655882. The cubic root of 101021159 is about 465.7334691909.

The spelling of 101021159 in words is "one hundred one million, twenty-one thousand, one hundred fifty-nine".