101472161775821 has 16 divisors (see below), whose sum is σ = 103675399545600. Its totient is φ = 99270773342208.

The previous prime is 101472161775773. The next prime is 101472161775827. The reversal of 101472161775821 is 128577161274101.

It is a happy number.

It is not a de Polignac number, because 101472161775821 - 2²² = 101472157581517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101472161775827) 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 in 15 ways as a sum of consecutive naturals, for example, 3586968845 + ... + 3586997133.

It is an arithmetic number, because the mean of its divisors is an integer number (6479712471600).

Almost surely, 2^{101472161775821} is an apocalyptic number.

It is an amenable number.

101472161775821 is a deficient number, since it is larger than the sum of its proper divisors (2203237769779).

101472161775821 is a wasteful number, since it uses less digits than its factorization.

101472161775821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58228.

The product of its (nonzero) digits is 1317120, while the sum is 53.

The spelling of 101472161775821 in words is "one hundred one trillion, four hundred seventy-two billion, one hundred sixty-one million, seven hundred seventy-five thousand, eight hundred twenty-one".