101427221 has 8 divisors (see below), whose sum is σ = 116135424. Its totient is φ = 86773680.

The previous prime is 101427211. The next prime is 101427247. The reversal of 101427221 is 122724101.

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

It is not a de Polignac number, because 101427221 - 2²² = 97232917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101427193 and 101427202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101427211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9605 + ... + 17178.

It is an arithmetic number, because the mean of its divisors is an integer number (14516928).

Almost surely, 2^101427221 is an apocalyptic number.

It is an amenable number.

101427221 is a deficient number, since it is larger than the sum of its proper divisors (14708203).

101427221 is an equidigital number, since it uses as much as digits as its factorization.

101427221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27331.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 101427221 is about 10071.1082309744. The cubic root of 101427221 is about 466.3566516367.

The spelling of 101427221 in words is "one hundred one million, four hundred twenty-seven thousand, two hundred twenty-one".