201210222112020 has 216 divisors, whose sum is σ = 670881015676872. Its totient is φ = 48777218772480.

The previous prime is 201210222111959. The next prime is 201210222112157. The reversal of 201210222112020 is 20211222012102.

It is a happy number.

201210222112020 is a `hidden beast` number, since 20 + 1 + 210 + 22 + 211 + 202 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2823166131984 + 198387055980036 = 1680228^2 + 14084994^2 .

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 = 201210222111984 and 201210222112002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1968795562 + ... + 1968897758.

Almost surely, 2^{201210222112020} is an apocalyptic number.

201210222112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201210222112020 is an abundant number, since it is smaller than the sum of its proper divisors (469670793564852).

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

201210222112020 is a wasteful number, since it uses less digits than its factorization.

201210222112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192631 (or 192615 counting only the distinct ones).

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

Adding to 201210222112020 its reverse (20211222012102), we get a palindrome (221421444124122).

The spelling of 201210222112020 in words is "two hundred one trillion, two hundred ten billion, two hundred twenty-two million, one hundred twelve thousand, twenty".