100021010211 has 6 divisors (see below), whose sum is σ = 144474792540. Its totient is φ = 66680673468.

The previous prime is 100021010209. The next prime is 100021010249. The reversal of 100021010211 is 112010120001.

It is a happy number.

It is not a de Polignac number, because 100021010211 - 2¹ = 100021010209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11113445579 = 100021010211 / (1 + 0 + 0 + 0 + 2 + 1 + 0 + 1 + 0 + 2 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 100021010193 and 100021010202.

It is not an unprimeable number, because it can be changed into a prime (100021010251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5556722781 + ... + 5556722798.

It is an arithmetic number, because the mean of its divisors is an integer number (24079132090).

Almost surely, 2^100021010211 is an apocalyptic number.

100021010211 is a deficient number, since it is larger than the sum of its proper divisors (44453782329).

100021010211 is a wasteful number, since it uses less digits than its factorization.

100021010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11113445585 (or 11113445582 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100021010211 its reverse (112010120001), we get a palindrome (212031130212).

The spelling of 100021010211 in words is "one hundred billion, twenty-one million, ten thousand, two hundred eleven".