101872442881 has 8 divisors (see below), whose sum is σ = 115965468864. Its totient is φ = 88584732720.

The previous prime is 101872442873. The next prime is 101872442939. The reversal of 101872442881 is 188244278101.

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

It is not a de Polignac number, because 101872442881 - 2³ = 101872442873 is a prime.

It is a super-2 number, since 2×101872442881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101872442831) 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, 201328686 + ... + 201329191.

It is an arithmetic number, because the mean of its divisors is an integer number (14495683608).

Almost surely, 2^101872442881 is an apocalyptic number.

101872442881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101872442881 is a deficient number, since it is larger than the sum of its proper divisors (14093025983).

101872442881 is a wasteful number, since it uses less digits than its factorization.

101872442881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402657911.

The product of its (nonzero) digits is 229376, while the sum is 46.

The spelling of 101872442881 in words is "one hundred one billion, eight hundred seventy-two million, four hundred forty-two thousand, eight hundred eighty-one".