1211112210167 has 2 divisors, whose sum is σ = 1211112210168. Its totient is φ = 1211112210166.

The previous prime is 1211112210151. The next prime is 1211112210229. The reversal of 1211112210167 is 7610122111121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211112210167 - 2⁴ = 1211112210151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211112210107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605556105083 + 605556105084.

It is an arithmetic number, because the mean of its divisors is an integer number (605556105084).

Almost surely, 2^{1211112210167} is an apocalyptic number.

1211112210167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211112210167 is an equidigital number, since it uses as much as digits as its factorization.

1211112210167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 1211112210167 its reverse (7610122111121), we get a palindrome (8821234321288).

The spelling of 1211112210167 in words is "one trillion, two hundred eleven billion, one hundred twelve million, two hundred ten thousand, one hundred sixty-seven".