20222022111121 has 2 divisors, whose sum is σ = 20222022111122. Its totient is φ = 20222022111120.

The previous prime is 20222022111013. The next prime is 20222022111133. The reversal of 20222022111121 is 12111122022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11387520211600 + 8834501899521 = 3374540^2 + 2972289^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222022111121 - 2¹⁵ = 20222022078353 is a prime.

It is not a weakly prime, because it can be changed into another prime (20222022111721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111011055560 + 10111011055561.

It is an arithmetic number, because the mean of its divisors is an integer number (10111011055561).

Almost surely, 2^{20222022111121} is an apocalyptic number.

It is an amenable number.

20222022111121 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222022111121 is an equidigital number, since it uses as much as digits as its factorization.

20222022111121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20222022111121 its reverse (12111122022202), we get a palindrome (32333144133323).

The spelling of 20222022111121 in words is "twenty trillion, two hundred twenty-two billion, twenty-two million, one hundred eleven thousand, one hundred twenty-one".