102001102 has 16 divisors (see below), whose sum is σ = 175829472. Its totient is φ = 43472160.

The previous prime is 102001099. The next prime is 102001121. The reversal of 102001102 is 201100201.

It is a Harshad number since it is a multiple of its sum of digits (7).

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 7 ways as a sum of consecutive naturals, for example, 17593 + ... + 22660.

It is an arithmetic number, because the mean of its divisors is an integer number (10989342).

Almost surely, 2^102001102 is an apocalyptic number.

102001102 is a deficient number, since it is larger than the sum of its proper divisors (73828370).

102001102 is a wasteful number, since it uses less digits than its factorization.

102001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40443.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 102001102 is about 10099.5594953443. The cubic root of 102001102 is about 467.2345554786.

Adding to 102001102 its reverse (201100201), we get a palindrome (303101303).

Subtracting 102001102 from its reverse (201100201), we obtain a palindrome (99099099).

The spelling of 102001102 in words is "one hundred two million, one thousand, one hundred two".