1222022120101 has 2 divisors, whose sum is σ = 1222022120102. Its totient is φ = 1222022120100.

The previous prime is 1222022120071. The next prime is 1222022120117. The reversal of 1222022120101 is 1010212202221.

It is a happy number.

It is an a-pointer prime, because the next prime (1222022120117) can be obtained adding 1222022120101 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 974465122500 + 247556997601 = 987150^2 + 497551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222022120101 - 2¹³ = 1222022111909 is a prime.

It is a super-2 number, since 2×1222022120101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222022120401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611011060050 + 611011060051.

It is an arithmetic number, because the mean of its divisors is an integer number (611011060051).

Almost surely, 2^{1222022120101} is an apocalyptic number.

It is an amenable number.

1222022120101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222022120101 is an equidigital number, since it uses as much as digits as its factorization.

1222022120101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222022120101 its reverse (1010212202221), we get a palindrome (2232234322322).

The spelling of 1222022120101 in words is "one trillion, two hundred twenty-two billion, twenty-two million, one hundred twenty thousand, one hundred one".