101200001010 has 64 divisors (see below), whose sum is σ = 248340605184. Its totient is φ = 26385235200.

The previous prime is 101200000999. The next prime is 101200001027. The reversal of 101200001010 is 10100002101.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 101200001010.

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, 140040 + ... + 471180.

It is an arithmetic number, because the mean of its divisors is an integer number (3880321956).

Almost surely, 2^101200001010 is an apocalyptic number.

101200001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101200001010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124170302592).

101200001010 is an abundant number, since it is smaller than the sum of its proper divisors (147140604174).

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

101200001010 is a wasteful number, since it uses less digits than its factorization.

101200001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331379.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 101200001010 its reverse (10100002101), we get a palindrome (111300003111).

The spelling of 101200001010 in words is "one hundred one billion, two hundred million, one thousand, ten".