1102032121 has 2 divisors, whose sum is σ = 1102032122.
Its totient is φ = 1102032120.
The previous prime is 1102032119. The next prime is 1102032131. The reversal of 1102032121 is 1212302011.
Adding to 1102032121 its reverse (1212302011), we get a palindrome (2314334132).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1089330025 + 12702096 = 33005^2 + 3564^2
It is a cyclic number.
It is not a de Polignac number, because 1102032121 - 21 = 1102032119 is a prime.
Together with 1102032119, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1102032101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551016060 + 551016061.
It is an arithmetic number, because the mean of its divisors is an integer number (551016061).
Almost surely, 21102032121 is an apocalyptic number.
It is an amenable number.
1102032121 is a deficient number, since it is larger than the sum of its proper divisors (1).
1102032121 is an equidigital number, since it uses as much as digits as its factorization.
1102032121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 1102032121 is about 33196.8691445443.
The cubic root of 1102032121 is about 1032.9153965660.
The spelling of 1102032121 in words is "one billion, one hundred two million, thirty-two thousand, one hundred twenty-one".