100020202011 has 24 divisors (see below), whose sum is σ = 148465384704. Its totient is φ = 64839899520.

The previous prime is 100020201977. The next prime is 100020202027. The reversal of 100020202011 is 110202020001.

It is not a de Polignac number, because 100020202011 - 2¹¹ = 100020199963 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 = 100020201984 and 100020202002.

It is not an unprimeable number, because it can be changed into a prime (100020200011) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 485830 + ... + 660356.

It is an arithmetic number, because the mean of its divisors is an integer number (6186057696).

Almost surely, 2^100020202011 is an apocalyptic number.

100020202011 is a deficient number, since it is larger than the sum of its proper divisors (48445182693).

100020202011 is a wasteful number, since it uses less digits than its factorization.

100020202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176291 (or 176288 counting only the distinct ones).

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

Adding to 100020202011 its reverse (110202020001), we get a palindrome (210222222012).

The spelling of 100020202011 in words is "one hundred billion, twenty million, two hundred two thousand, eleven".