21112020000222 has 8 divisors (see below), whose sum is σ = 42224040000456. Its totient is φ = 7037340000072.

The previous prime is 21112020000187. The next prime is 21112020000229. The reversal of 21112020000222 is 22200002021112.

It is a sphenic number, since it is the product of 3 distinct primes.

21112020000222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21112020000229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759335000013 + ... + 1759335000024.

It is an arithmetic number, because the mean of its divisors is an integer number (5278005000057).

Almost surely, 2^{21112020000222} is an apocalyptic number.

21112020000222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21112020000222 is a wasteful number, since it uses less digits than its factorization.

21112020000222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518670000042.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21112020000222 its reverse (22200002021112), we get a palindrome (43312022021334).

The spelling of 21112020000222 in words is "twenty-one trillion, one hundred twelve billion, twenty million, two hundred twenty-two", and thus it is an aban number.