1121101 has 2 divisors, whose sum is σ = 1121102.
Its totient is φ = 1121100.
The previous prime is 1121093. The next prime is 1121143. The reversal of 1121101 is 1011211.
Adding to 1121101 its reverse (1011211), we get a palindrome (2132312).
Multipling 1121101 by its reverse (1011211), we get a palindrome (1133669663311).
It can be divided in two parts, 11 and 21101, that added together give a palindrome (21112).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 724201 + 396900 = 851^2 + 630^2
It is a cyclic number.
It is not a de Polignac number, because 1121101 - 23 = 1121093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1121191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560550 + 560551.
It is an arithmetic number, because the mean of its divisors is an integer number (560551).
21121101 is an apocalyptic number.
It is an amenable number.
1121101 is a deficient number, since it is larger than the sum of its proper divisors (1).
1121101 is an equidigital number, since it uses as much as digits as its factorization.
1121101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2, while the sum is 7.
The square root of 1121101 is about 1058.8205702573.
The cubic root of 1121101 is about 103.8839002734.
The spelling of 1121101 in words is "one million, one hundred twenty-one thousand, one hundred one".