1222102021223 has 2 divisors, whose sum is σ = 1222102021224. Its totient is φ = 1222102021222.

The previous prime is 1222102021187. The next prime is 1222102021243. The reversal of 1222102021223 is 3221202012221.

It is an a-pointer prime, because the next prime (1222102021243) can be obtained adding 1222102021223 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222102021223 - 2⁸ = 1222102020967 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222102021195 and 1222102021204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222102021243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611051010611 + 611051010612.

It is an arithmetic number, because the mean of its divisors is an integer number (611051010612).

Almost surely, 2^{1222102021223} is an apocalyptic number.

1222102021223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222102021223 is an equidigital number, since it uses as much as digits as its factorization.

1222102021223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1222102021223 its reverse (3221202012221), we get a palindrome (4443304033444).

The spelling of 1222102021223 in words is "one trillion, two hundred twenty-two billion, one hundred two million, twenty-one thousand, two hundred twenty-three".