20222221202122 has 8 divisors (see below), whose sum is σ = 30335646833856. Its totient is φ = 10110338924172.

The previous prime is 20222221202111. The next prime is 20222221202153. The reversal of 20222221202122 is 22120212222202.

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 = 20222221202093 and 20222221202102.

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, 385805688 + ... + 385858099.

It is an arithmetic number, because the mean of its divisors is an integer number (3791955854232).

Almost surely, 2^{20222221202122} is an apocalyptic number.

20222221202122 is a deficient number, since it is larger than the sum of its proper divisors (10113425631734).

20222221202122 is a wasteful number, since it uses less digits than its factorization.

20222221202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771676892.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20222221202122 its reverse (22120212222202), we get a palindrome (42342433424324).

The spelling of 20222221202122 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred two thousand, one hundred twenty-two".