100200020020011 has 32 divisors (see below), whose sum is σ = 149482475520000. Its totient is φ = 66333163093344.

The previous prime is 100200020019991. The next prime is 100200020020027. The reversal of 100200020020011 is 110020020002001.

It is a de Polignac number, because none of the positive numbers 2^k-100200020020011 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 100200020019975 and 100200020020002.

It is not an unprimeable number, because it can be changed into a prime (100200220020011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10938720 + ... + 17890098.

It is an arithmetic number, because the mean of its divisors is an integer number (4671327360000).

Almost surely, 2^{100200020020011} is an apocalyptic number.

100200020020011 is a deficient number, since it is larger than the sum of its proper divisors (49282455499989).

100200020020011 is a wasteful number, since it uses less digits than its factorization.

100200020020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955120 (or 6955114 counting only the distinct ones).

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

Adding to 100200020020011 its reverse (110020020002001), we get a palindrome (210220040022012).

The spelling of 100200020020011 in words is "one hundred trillion, two hundred billion, twenty million, twenty thousand, eleven".