102122010200 has 192 divisors, whose sum is σ = 284902479360. Its totient is φ = 33283768320.

The previous prime is 102122010187. The next prime is 102122010203. The reversal of 102122010200 is 2010221201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122010203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5238872 + ... + 5258328.

It is an arithmetic number, because the mean of its divisors is an integer number (1483867080).

Almost surely, 2^102122010200 is an apocalyptic number.

102122010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102122010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142451239680).

102122010200 is an abundant number, since it is smaller than the sum of its proper divisors (182780469160).

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

102122010200 is a wasteful number, since it uses less digits than its factorization.

102122010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19666 (or 19657 counting only the distinct ones).

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

Adding to 102122010200 its reverse (2010221201), we get a palindrome (104132231401).

The spelling of 102122010200 in words is "one hundred two billion, one hundred twenty-two million, ten thousand, two hundred".