220021030111 has 16 divisors (see below), whose sum is σ = 225299036160. Its totient is φ = 214768627200.

The previous prime is 220021030081. The next prime is 220021030121. The reversal of 220021030111 is 111030120022.

It is a cyclic number.

It is not a de Polignac number, because 220021030111 - 2¹³ = 220021021919 is a prime.

It is a super-2 number, since 2×220021030111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220021030091 and 220021030100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021030121) 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 15 ways as a sum of consecutive naturals, for example, 35766886 + ... + 35773036.

It is an arithmetic number, because the mean of its divisors is an integer number (14081189760).

Almost surely, 2^220021030111 is an apocalyptic number.

220021030111 is a deficient number, since it is larger than the sum of its proper divisors (5278006049).

220021030111 is a wasteful number, since it uses less digits than its factorization.

220021030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 220021030111 its reverse (111030120022), we get a palindrome (331051150133).

The spelling of 220021030111 in words is "two hundred twenty billion, twenty-one million, thirty thousand, one hundred eleven".