20222121122222 has 8 divisors (see below), whose sum is σ = 30335976628056. Its totient is φ = 10110128912872.

The previous prime is 20222121122219. The next prime is 20222121122233. The reversal of 20222121122222 is 22222112122202.

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

It is a super-4 number, since 4×20222121122222⁴ (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465796988 + ... + 465840399.

It is an arithmetic number, because the mean of its divisors is an integer number (3791997078507).

Almost surely, 2^{20222121122222} is an apocalyptic number.

20222121122222 is a deficient number, since it is larger than the sum of its proper divisors (10113855505834).

20222121122222 is a wasteful number, since it uses less digits than its factorization.

20222121122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931648242.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20222121122222 its reverse (22222112122202), we get a palindrome (42444233244424).

The spelling of 20222121122222 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-two".