220202121122011 has 32 divisors (see below), whose sum is σ = 260665645363200. Its totient is φ = 182111264647200.

The previous prime is 220202121121993. The next prime is 220202121122051. The reversal of 220202121122011 is 110221121202022.

It is not a de Polignac number, because 220202121122011 - 2¹⁵ = 220202121089243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220202121122011.

It is not an unprimeable number, because it can be changed into a prime (220202121122051) 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 31 ways as a sum of consecutive naturals, for example, 5397301 + ... + 21668758.

It is an arithmetic number, because the mean of its divisors is an integer number (8145801417600).

Almost surely, 2^{220202121122011} is an apocalyptic number.

220202121122011 is a deficient number, since it is larger than the sum of its proper divisors (40463524241189).

220202121122011 is a wasteful number, since it uses less digits than its factorization.

220202121122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27066439.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220202121122011 its reverse (110221121202022), we get a palindrome (330423242324033).

The spelling of 220202121122011 in words is "two hundred twenty trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-two thousand, eleven".