20212211012222 has 8 divisors (see below), whose sum is σ = 30499863324336. Its totient is φ = 10045589904112.

The previous prime is 20212211012173. The next prime is 20212211012233. The reversal of 20212211012222 is 22221011221202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20212211012194 and 20212211012203.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 30257800583 + ... + 30257801250.

It is an arithmetic number, because the mean of its divisors is an integer number (3812482915542).

Almost surely, 2^{20212211012222} is an apocalyptic number.

20212211012222 is a deficient number, since it is larger than the sum of its proper divisors (10287652312114).

20212211012222 is a wasteful number, since it uses less digits than its factorization.

20212211012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60515602002.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20212211012222 its reverse (22221011221202), we get a palindrome (42433222233424).

The spelling of 20212211012222 in words is "twenty trillion, two hundred twelve billion, two hundred eleven million, twelve thousand, two hundred twenty-two".