1101020102 has 24 divisors (see below), whose sum is σ = 2068952256. Its totient is φ = 435567888.

The previous prime is 1101020071. The next prime is 1101020111. The reversal of 1101020102 is 2010201011.

It is a self number, because there is not a number n which added to its sum of digits gives 1101020102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430838 + ... + 433385.

It is an arithmetic number, because the mean of its divisors is an integer number (86206344).

Almost surely, 2^1101020102 is an apocalyptic number.

1101020102 is a deficient number, since it is larger than the sum of its proper divisors (967932154).

1101020102 is a wasteful number, since it uses less digits than its factorization.

1101020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864252 (or 864245 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1101020102 is about 33181.6229560882. The cubic root of 1101020102 is about 1032.5991171725.

Adding to 1101020102 its reverse (2010201011), we get a palindrome (3111221113).

The spelling of 1101020102 in words is "one billion, one hundred one million, twenty thousand, one hundred two".