20222212111121 has 8 divisors (see below), whose sum is σ = 21267591788544. Its totient is φ = 19190678522400.

The previous prime is 20222212111111. The next prime is 20222212111151. The reversal of 20222212111121 is 12111121222202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20222212111121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20222212111093 and 20222212111102.

It is not an unprimeable number, because it can be changed into a prime (20222212111111) 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, 3461519180 + ... + 3461525021.

It is an arithmetic number, because the mean of its divisors is an integer number (2658448973568).

Almost surely, 2^{20222212111121} is an apocalyptic number.

It is an amenable number.

20222212111121 is a deficient number, since it is larger than the sum of its proper divisors (1045379677423).

20222212111121 is a wasteful number, since it uses less digits than its factorization.

20222212111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6923044351.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 20222212111121 its reverse (12111121222202), we get a palindrome (32333333333323).

The spelling of 20222212111121 in words is "twenty trillion, two hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty-one".