100020020211 has 16 divisors (see below), whose sum is σ = 148183071520. Its totient is φ = 66677644800.

The previous prime is 100020020203. The next prime is 100020020227. The reversal of 100020020211 is 112020020001.

It is not a de Polignac number, because 100020020211 - 2³ = 100020020203 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100020020193 and 100020020202.

It is not an unprimeable number, because it can be changed into a prime (100020020281) 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, 1056231 + ... + 1147023.

It is an arithmetic number, because the mean of its divisors is an integer number (9261441970).

Almost surely, 2^100020020211 is an apocalyptic number.

100020020211 is a deficient number, since it is larger than the sum of its proper divisors (48163051309).

100020020211 is an equidigital number, since it uses as much as digits as its factorization.

100020020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131603 (or 131597 counting only the distinct ones).

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

Adding to 100020020211 its reverse (112020020001), we get a palindrome (212040040212).

The spelling of 100020020211 in words is "one hundred billion, twenty million, twenty thousand, two hundred eleven".