101141221 has 4 divisors (see below), whose sum is σ = 102184012. Its totient is φ = 100098432.

The previous prime is 101141197. The next prime is 101141231. The reversal of 101141221 is 122141101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63760225 + 37380996 = 7985^2 + 6114^2 .

It is a cyclic number.

It is not a de Polignac number, because 101141221 - 2¹¹ = 101139173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101141231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521250 + ... + 521443.

It is an arithmetic number, because the mean of its divisors is an integer number (25546003).

Almost surely, 2^101141221 is an apocalyptic number.

It is an amenable number.

101141221 is a deficient number, since it is larger than the sum of its proper divisors (1042791).

101141221 is an equidigital number, since it uses as much as digits as its factorization.

101141221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042790.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 101141221 is about 10056.8991741988. The cubic root of 101141221 is about 465.9179016895.

Adding to 101141221 its reverse (122141101), we get a palindrome (223282322).

The spelling of 101141221 in words is "one hundred one million, one hundred forty-one thousand, two hundred twenty-one".