102102010192 has 160 divisors (see below), whose sum is σ = 253827753984. Its totient is φ = 38700288000.

The previous prime is 102102010187. The next prime is 102102010207. The reversal of 102102010192 is 291010201201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4547538 + ... + 4569934.

Almost surely, 2^102102010192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102102010192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126913876992).

102102010192 is an abundant number, since it is smaller than the sum of its proper divisors (151725743792).

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

102102010192 is a wasteful number, since it uses less digits than its factorization.

102102010192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22557 (or 22551 counting only the distinct ones).

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

Adding to 102102010192 its reverse (291010201201), we get a palindrome (393112211393).

The spelling of 102102010192 in words is "one hundred two billion, one hundred two million, ten thousand, one hundred ninety-two".