102002122100 has 36 divisors (see below), whose sum is σ = 222056391648. Its totient is φ = 40669644000.

The previous prime is 102002122091. The next prime is 102002122129. The reversal of 102002122100 is 1221200201.

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 11 ways as a sum of consecutive naturals, for example, 1608806 + ... + 1671005.

Almost surely, 2^102002122100 is an apocalyptic number.

102002122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102002122100 is an abundant number, since it is smaller than the sum of its proper divisors (120054269548).

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

102002122100 is a wasteful number, since it uses less digits than its factorization.

102002122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280136 (or 3280129 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102002122100 its reverse (1221200201), we get a palindrome (103223322301).

The spelling of 102002122100 in words is "one hundred two billion, two million, one hundred twenty-two thousand, one hundred".