105101220717155 has 8 divisors (see below), whose sum is σ = 135823116003792. Its totient is φ = 77613209144928.

The previous prime is 105101220717151. The next prime is 105101220717187. The reversal of 105101220717155 is 551717022101501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105101220717155 - 2² = 105101220717151 is a prime.

It is a super-2 number, since 2×105101220717155² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105101220717151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808470928529 + ... + 808470928658.

It is an arithmetic number, because the mean of its divisors is an integer number (16977889500474).

Almost surely, 2^{105101220717155} is an apocalyptic number.

105101220717155 is a deficient number, since it is larger than the sum of its proper divisors (30721895286637).

105101220717155 is a wasteful number, since it uses less digits than its factorization.

105101220717155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616941857205.

The product of its (nonzero) digits is 24500, while the sum is 38.

Adding to 105101220717155 its reverse (551717022101501), we get a palindrome (656818242818656).

The spelling of 105101220717155 in words is "one hundred five trillion, one hundred one billion, two hundred twenty million, seven hundred seventeen thousand, one hundred fifty-five".