220020121011222 has 48 divisors (see below), whose sum is σ = 564989940383232. Its totient is φ = 62862891716520.

The previous prime is 220020121011139. The next prime is 220020121011239. The reversal of 220020121011222 is 222110121020022.

It is a happy number.

220020121011222 is a `hidden beast` number, since 2 + 20 + 0 + 201 + 210 + 11 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220020121011195 and 220020121011204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32336875054 + ... + 32336881857.

It is an arithmetic number, because the mean of its divisors is an integer number (11770623757984).

Almost surely, 2^{220020121011222} is an apocalyptic number.

220020121011222 is an abundant number, since it is smaller than the sum of its proper divisors (344969819372010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220020121011222 is an equidigital number, since it uses as much as digits as its factorization.

220020121011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64673756935 (or 64673756923 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220020121011222 its reverse (222110121020022), we get a palindrome (442130242031244).

The spelling of 220020121011222 in words is "two hundred twenty trillion, twenty billion, one hundred twenty-one million, eleven thousand, two hundred twenty-two".