101211241 has 2 divisors, whose sum is σ = 101211242.
Its totient is φ = 101211240.
The previous prime is 101211221. The next prime is 101211269. The reversal of 101211241 is 142112101.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 87815641 + 13395600 = 9371^2 + 3660^2
It is a cyclic number.
It is not a de Polignac number, because 101211241 - 29 = 101210729 is a prime.
It is not a weakly prime, because it can be changed into another prime (101211211) 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, 50605620 + 50605621.
It is an arithmetic number, because the mean of its divisors is an integer number (50605621).
Almost surely, 2101211241 is an apocalyptic number.
It is an amenable number.
101211241 is a deficient number, since it is larger than the sum of its proper divisors (1).
101211241 is an equidigital number, since it uses as much as digits as its factorization.
101211241 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 101211241 is about 10060.3797642037.
The cubic root of 101211241 is about 466.0253951052.
Adding to 101211241 its reverse (142112101), we get a palindrome (243323342).
The spelling of 101211241 in words is "one hundred one million, two hundred eleven thousand, two hundred forty-one".