102002111092 has 48 divisors (see below), whose sum is σ = 208926224640. Its totient is φ = 42672672000.

The previous prime is 102002111087. The next prime is 102002111093. The reversal of 102002111092 is 290111200201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002111093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53217 + ... + 454792.

It is an arithmetic number, because the mean of its divisors is an integer number (4352629680).

Almost surely, 2^102002111092 is an apocalyptic number.

It is an amenable number.

102002111092 is an abundant number, since it is smaller than the sum of its proper divisors (106924113548).

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

102002111092 is a wasteful number, since it uses less digits than its factorization.

102002111092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508192 (or 508190 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 102002111092 its reverse (290111200201), we get a palindrome (392113311293).

The spelling of 102002111092 in words is "one hundred two billion, two million, one hundred eleven thousand, ninety-two".