20201222220112 has 20 divisors (see below), whose sum is σ = 40050097542400. Its totient is φ = 9865713176928.

The previous prime is 20201222220103. The next prime is 20201222220121. The reversal of 20201222220112 is 21102222210202.

It is an interprime number because it is at equal distance from previous prime (20201222220103) and next prime (20201222220121).

It is a super-3 number, since 3×20201222220112³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20201222220112.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14681120112 + ... + 14681121487.

It is an arithmetic number, because the mean of its divisors is an integer number (2002504877120).

Almost surely, 2^{20201222220112} is an apocalyptic number.

It is an amenable number.

20201222220112 is a deficient number, since it is larger than the sum of its proper divisors (19848875322288).

20201222220112 is a wasteful number, since it uses less digits than its factorization.

20201222220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29362241650 (or 29362241644 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20201222220112 its reverse (21102222210202), we get a palindrome (41303444430314).

The spelling of 20201222220112 in words is "twenty trillion, two hundred one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twelve".