2212210022020 has 12 divisors (see below), whose sum is σ = 4645641046284. Its totient is φ = 884884008800.

The previous prime is 2212210021997. The next prime is 2212210022023. The reversal of 2212210022020 is 202200122122.

It can be written as a sum of positive squares in 2 ways, for example, as 368963915776 + 1843246106244 = 607424^2 + 1357662^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2212210021985 and 2212210022003.

It is not an unprimeable number, because it can be changed into a prime (2212210022023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55305250531 + ... + 55305250570.

It is an arithmetic number, because the mean of its divisors is an integer number (387136753857).

Almost surely, 2^{2212210022020} is an apocalyptic number.

2212210022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212210022020 is an abundant number, since it is smaller than the sum of its proper divisors (2433431024264).

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

2212210022020 is a wasteful number, since it uses less digits than its factorization.

2212210022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110610501110 (or 110610501108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2212210022020 its reverse (202200122122), we get a palindrome (2414410144142).

The spelling of 2212210022020 in words is "two trillion, two hundred twelve billion, two hundred ten million, twenty-two thousand, twenty".