102001011102 has 40 divisors (see below), whose sum is σ = 228576090600. Its totient is φ = 33997619376.

The previous prime is 102001011059. The next prime is 102001011127. The reversal of 102001011102 is 201110100201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3756049 + ... + 3783107.

It is an arithmetic number, because the mean of its divisors is an integer number (5714402265).

Almost surely, 2^102001011102 is an apocalyptic number.

102001011102 is an abundant number, since it is smaller than the sum of its proper divisors (126575079498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102001011102 is a wasteful number, since it uses less digits than its factorization.

102001011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50342 (or 50333 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102001011102 its reverse (201110100201), we get a palindrome (303111111303).

The spelling of 102001011102 in words is "one hundred two billion, one million, eleven thousand, one hundred two".