220100020011 has 16 divisors (see below), whose sum is σ = 334027132320. Its totient is φ = 143154483840.

The previous prime is 220100019901. The next prime is 220100020033. The reversal of 220100020011 is 110020001022.

It is not a de Polignac number, because 220100020011 - 2¹⁰ = 220100018987 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 = 220100019975 and 220100020002.

It is not an unprimeable number, because it can be changed into a prime (220100020061) 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, 99411730 + ... + 99413943.

It is an arithmetic number, because the mean of its divisors is an integer number (20876695770).

Almost surely, 2^220100020011 is an apocalyptic number.

220100020011 is a deficient number, since it is larger than the sum of its proper divisors (113927112309).

220100020011 is a wasteful number, since it uses less digits than its factorization.

220100020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198825723 (or 198825717 counting only the distinct ones).

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

Adding to 220100020011 its reverse (110020001022), we get a palindrome (330120021033).

The spelling of 220100020011 in words is "two hundred twenty billion, one hundred million, twenty thousand, eleven".