220012134511 has 16 divisors (see below), whose sum is σ = 243203990400. Its totient is φ = 197780028768.

The previous prime is 220012134509. The next prime is 220012134557. The reversal of 220012134511 is 115431210022.

It is a cyclic number.

It is not a de Polignac number, because 220012134511 - 2¹ = 220012134509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012134571) 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, 1258341 + ... + 1422478.

It is an arithmetic number, because the mean of its divisors is an integer number (15200249400).

Almost surely, 2^220012134511 is an apocalyptic number.

220012134511 is a deficient number, since it is larger than the sum of its proper divisors (23191855889).

220012134511 is a wasteful number, since it uses less digits than its factorization.

220012134511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680998.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 220012134511 its reverse (115431210022), we get a palindrome (335443344533).

It can be divided in two parts, 22001 and 2134511, that added together give a palindrome (2156512).

The spelling of 220012134511 in words is "two hundred twenty billion, twelve million, one hundred thirty-four thousand, five hundred eleven".