220011102211021 has 16 divisors (see below), whose sum is σ = 243110809071360. Its totient is φ = 197429106813120.

The previous prime is 220011102211001. The next prime is 220011102211031. The reversal of 220011102211021 is 120112201110022.

It is a cyclic number.

It is not a de Polignac number, because 220011102211021 - 2²³ = 220011093822413 is a prime.

It is a super-2 number, since 2×220011102211021² (a number of 29 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 = 220011102210986 and 220011102211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011102211001) 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, 28057350 + ... + 35031943.

It is an arithmetic number, because the mean of its divisors is an integer number (15194425566960).

Almost surely, 2^{220011102211021} is an apocalyptic number.

It is an amenable number.

220011102211021 is a deficient number, since it is larger than the sum of its proper divisors (23099706860339).

220011102211021 is a wasteful number, since it uses less digits than its factorization.

220011102211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63093396.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220011102211021 its reverse (120112201110022), we get a palindrome (340123303321043).

The spelling of 220011102211021 in words is "two hundred twenty trillion, eleven billion, one hundred two million, two hundred eleven thousand, twenty-one".