12222022021121 has 8 divisors (see below), whose sum is σ = 13465125972288. Its totient is φ = 11000919910000.

The previous prime is 12222022021103. The next prime is 12222022021123. The reversal of 12222022021121 is 12112022022221.

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

It is a cyclic number.

It is not a de Polignac number, because 12222022021121 - 2¹⁸ = 12222021758977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222022021093 and 12222022021102.

It is not an unprimeable number, because it can be changed into a prime (12222022021123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5500458845 + ... + 5500461066.

It is an arithmetic number, because the mean of its divisors is an integer number (1683140746536).

Almost surely, 2^{12222022021121} is an apocalyptic number.

12222022021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12222022021121 is a deficient number, since it is larger than the sum of its proper divisors (1243103951167).

12222022021121 is a wasteful number, since it uses less digits than its factorization.

12222022021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000920023.

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

Adding to 12222022021121 its reverse (12112022022221), we get a palindrome (24334044043342).

The spelling of 12222022021121 in words is "twelve trillion, two hundred twenty-two billion, twenty-two million, twenty-one thousand, one hundred twenty-one".