201222112102020 has 72 divisors (see below), whose sum is σ = 610904039316480. Its totient is φ = 53612610177600.

The previous prime is 201222112102009. The next prime is 201222112102133. The reversal of 201222112102020 is 20201211222102.

It is a happy number.

201222112102020 is a `hidden beast` number, since 20 + 1 + 22 + 211 + 210 + 202 + 0 = 666.

201222112102020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 201222112101984 and 201222112102002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485414290 + ... + 485828649.

It is an arithmetic number, because the mean of its divisors is an integer number (8484778323840).

Almost surely, 2^{201222112102020} is an apocalyptic number.

201222112102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222112102020 is an abundant number, since it is smaller than the sum of its proper divisors (409681927214460).

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

201222112102020 is a wasteful number, since it uses less digits than its factorization.

201222112102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971244105 (or 971244100 counting only the distinct ones).

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

Adding to 201222112102020 its reverse (20201211222102), we get a palindrome (221423323324122).

The spelling of 201222112102020 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred twelve million, one hundred two thousand, twenty".