1222011212167 has 2 divisors, whose sum is σ = 1222011212168. Its totient is φ = 1222011212166.

The previous prime is 1222011212113. The next prime is 1222011212269. The reversal of 1222011212167 is 7612121102221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222011212167 is a prime.

It is a super-2 number, since 2×1222011212167² (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 (1222011312167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611005606083 + 611005606084.

It is an arithmetic number, because the mean of its divisors is an integer number (611005606084).

Almost surely, 2^{1222011212167} is an apocalyptic number.

1222011212167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222011212167 is an equidigital number, since it uses as much as digits as its factorization.

1222011212167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

Adding to 1222011212167 its reverse (7612121102221), we get a palindrome (8834132314388).

The spelling of 1222011212167 in words is "one trillion, two hundred twenty-two billion, eleven million, two hundred twelve thousand, one hundred sixty-seven".