141821101 has 2 divisors, whose sum is σ = 141821102. Its totient is φ = 141821100.

The previous prime is 141821051. The next prime is 141821153. The reversal of 141821101 is 101128141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132273001 + 9548100 = 11501^2 + 3090^2 .

It is a cyclic number.

It is not a de Polignac number, because 141821101 - 2¹¹ = 141819053 is a prime.

It is a super-2 number, since 2×141821101² = 40226449377704402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141821161) 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 as a sum of consecutive naturals, namely, 70910550 + 70910551.

It is an arithmetic number, because the mean of its divisors is an integer number (70910551).

Almost surely, 2^141821101 is an apocalyptic number.

It is an amenable number.

141821101 is a deficient number, since it is larger than the sum of its proper divisors (1).

141821101 is an equidigital number, since it uses as much as digits as its factorization.

141821101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 141821101 is about 11908.8664867820. The cubic root of 141821101 is about 521.4911599284.

Adding to 141821101 its reverse (101128141), we get a palindrome (242949242).

The spelling of 141821101 in words is "one hundred forty-one million, eight hundred twenty-one thousand, one hundred one".