1102102245 has 24 divisors (see below), whose sum is σ = 1911181272. Its totient is φ = 587520000.

The previous prime is 1102102217. The next prime is 1102102259. The reversal of 1102102245 is 5422012011.

1102102245 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 81108036 + 1020994209 = 9006^2 + 31953^2 .

It is not a de Polignac number, because 1102102245 - 2¹² = 1102098149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130965 + ... + 139125.

It is an arithmetic number, because the mean of its divisors is an integer number (79632553).

Almost surely, 2^1102102245 is an apocalyptic number.

1102102245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1102102245 is a deficient number, since it is larger than the sum of its proper divisors (809079027).

1102102245 is a wasteful number, since it uses less digits than its factorization.

1102102245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11173 (or 11170 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1102102245 is about 33197.9253116818. The cubic root of 1102102245 is about 1032.9373047668.

Adding to 1102102245 its reverse (5422012011), we get a palindrome (6524114256).

The spelling of 1102102245 in words is "one billion, one hundred two million, one hundred two thousand, two hundred forty-five".