1011222167 has 2 divisors, whose sum is σ = 1011222168. Its totient is φ = 1011222166.

The previous prime is 1011222131. The next prime is 1011222211. The reversal of 1011222167 is 7612221101.

It is a weak prime.

It is an emirp because it is prime and its reverse (7612221101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011222167 - 2¹⁸ = 1010960023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011224167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505611083 + 505611084.

It is an arithmetic number, because the mean of its divisors is an integer number (505611084).

Almost surely, 2^1011222167 is an apocalyptic number.

1011222167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011222167 is an equidigital number, since it uses as much as digits as its factorization.

1011222167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1011222167 is about 31799.7196056821. The cubic root of 1011222167 is about 1003.7268159223.

Adding to 1011222167 its reverse (7612221101), we get a palindrome (8623443268).

The spelling of 1011222167 in words is "one billion, eleven million, two hundred twenty-two thousand, one hundred sixty-seven".