1102020101 has 24 divisors (see below), whose sum is σ = 1369249920.
Its totient is φ = 868435776.
The previous prime is 1102020079. The next prime is 1102020109. The reversal of 1102020101 is 1010202011.
Adding to 1102020101 its reverse (1010202011), we get a palindrome (2112222112).
It can be divided in two parts, 110202010 and 1, that added together give a palindrome (110202011).
It is not a de Polignac number, because 1102020101 - 218 = 1101757957 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 (1102020109) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316496 + ... + 319958.
It is an arithmetic number, because the mean of its divisors is an integer number (57052080).
Almost surely, 21102020101 is an apocalyptic number.
It is an amenable number.
1102020101 is a deficient number, since it is larger than the sum of its proper divisors (267229819).
1102020101 is a wasteful number, since it uses less digits than its factorization.
1102020101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3765 (or 3752 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 8.
The square root of 1102020101 is about 33196.6881028816.
The cubic root of 1102020101 is about 1032.9116411739.
The spelling of 1102020101 in words is "one billion, one hundred two million, twenty thousand, one hundred one".