100200001002 has 32 divisors (see below), whose sum is σ = 213458861952. Its totient is φ = 31247053824.

The previous prime is 100200000947. The next prime is 100200001003. The reversal of 100200001002 is 200100002001.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (100200001003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2924143 + ... + 2958210.

It is an arithmetic number, because the mean of its divisors is an integer number (6670589436).

Almost surely, 2^100200001002 is an apocalyptic number.

100200001002 is an abundant number, since it is smaller than the sum of its proper divisors (113258860950).

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

100200001002 is a wasteful number, since it uses less digits than its factorization.

100200001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882542.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 100200001002 its reverse (200100002001), we get a palindrome (300300003003).

Subtracting 100200001002 from its reverse (200100002001), we obtain a palindrome (99900000999).

It can be divided in two parts, 10020000 and 1002, that multiplied together give a square (10040040000 = 100200²).

The spelling of 100200001002 in words is "one hundred billion, two hundred million, one thousand, two".