101200012200 has 384 divisors, whose sum is σ = 398974464000. Its totient is φ = 23096620800.

The previous prime is 101200012159. The next prime is 101200012241. The reversal of 101200012200 is 2210002101.

It is an interprime number because it is at equal distance from previous prime (101200012159) and next prime (101200012241).

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 31712605 + ... + 31715795.

It is an arithmetic number, because the mean of its divisors is an integer number (1038996000).

Almost surely, 2^101200012200 is an apocalyptic number.

101200012200 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 101200012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199487232000).

101200012200 is an abundant number, since it is smaller than the sum of its proper divisors (297774451800).

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

101200012200 is a wasteful number, since it uses less digits than its factorization.

101200012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4062 (or 4047 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 101200012200 its reverse (2210002101), we get a palindrome (103410014301).

The spelling of 101200012200 in words is "one hundred one billion, two hundred million, twelve thousand, two hundred".