100200020200002 has 12 divisors (see below), whose sum is σ = 217100043766710. Its totient is φ = 33400006733328.

The previous prime is 100200020199943. The next prime is 100200020200019. The reversal of 100200020200002 is 200002020002001.

It can be written as a sum of positive squares in only one way, i.e., 84020487380361 + 16179532819641 = 9166269^2 + 4022379^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2783333894427 + ... + 2783333894462.

Almost surely, 2^{100200020200002} is an apocalyptic number.

100200020200002 is an abundant number, since it is smaller than the sum of its proper divisors (116900023566708).

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

100200020200002 is a wasteful number, since it uses less digits than its factorization.

100200020200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566667788897 (or 5566667788894 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 100200020200002 its reverse (200002020002001), we get a palindrome (300202040202003).

The spelling of 100200020200002 in words is "one hundred trillion, two hundred billion, twenty million, two hundred thousand, two".