201222112222020 has 96 divisors (see below), whose sum is σ = 578671247379456. Its totient is φ = 52207021324800.

The previous prime is 201222112222003. The next prime is 201222112222031. The reversal of 201222112222020 is 20222211222102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57944205 + ... + 61318635.

It is an arithmetic number, because the mean of its divisors is an integer number (6027825493536).

Almost surely, 2^{201222112222020} is an apocalyptic number.

201222112222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222112222020 is an abundant number, since it is smaller than the sum of its proper divisors (377449135157436).

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

201222112222020 is a wasteful number, since it uses less digits than its factorization.

201222112222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401341 (or 3401339 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201222112222020 its reverse (20222211222102), we get a palindrome (221444323444122).

The spelling of 201222112222020 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, twenty".