1102101 has 32 divisors (see below), whose sum is σ = 1978368.
Its totient is φ = 527040.
The previous prime is 1102069. The next prime is 1102111. The reversal of 1102101 is 1012011.
Adding to 1102101 its reverse (1012011), we get a palindrome (2114112).
Multipling 1102101 by its reverse (1012011), we get a palindrome (1115338335111).
It can be divided in two parts, 110 and 2101, that added together give a triangular number (2211 = T66).
It is not a de Polignac number, because 1102101 - 25 = 1102069 is a prime.
It is a super-2 number, since 2×11021012 = 2429253228402, which contains 22 as substring.
1102101 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 1102101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1102111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2820 + ... + 3186.
It is an arithmetic number, because the mean of its divisors is an integer number (61824).
21102101 is an apocalyptic number.
1102101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1102101 is a deficient number, since it is larger than the sum of its proper divisors (876267).
1102101 is a wasteful number, since it uses less digits than its factorization.
1102101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 401.
The product of its (nonzero) digits is 2, while the sum is 6.
The square root of 1102101 is about 1049.8099828064.
The cubic root of 1102101 is about 103.2936915811.
The spelling of 1102101 in words is "one million, one hundred two thousand, one hundred one".