20212110120222 has 48 divisors (see below), whose sum is σ = 43942730326560. Its totient is φ = 6714329746176.

The previous prime is 20212110120187. The next prime is 20212110120317. The reversal of 20212110120222 is 22202101121202.

It is a happy number.

20212110120222 is a `hidden beast` number, since 2 + 0 + 212 + 110 + 120 + 222 = 666.

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 = 20212110120195 and 20212110120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24708279 + ... + 25513197.

It is an arithmetic number, because the mean of its divisors is an integer number (915473548470).

Almost surely, 2^{20212110120222} is an apocalyptic number.

20212110120222 is an abundant number, since it is smaller than the sum of its proper divisors (23730620206338).

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

20212110120222 is a wasteful number, since it uses less digits than its factorization.

20212110120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809697 (or 809694 counting only the distinct ones).

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

Adding to 20212110120222 its reverse (22202101121202), we get a palindrome (42414211241424).

The spelling of 20212110120222 in words is "twenty trillion, two hundred twelve billion, one hundred ten million, one hundred twenty thousand, two hundred twenty-two".