121100012167 has 2 divisors, whose sum is σ = 121100012168. Its totient is φ = 121100012166.

The previous prime is 121100012147. The next prime is 121100012233. The reversal of 121100012167 is 761210001121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121100012167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121100012147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550006083 + 60550006084.

It is an arithmetic number, because the mean of its divisors is an integer number (60550006084).

Almost surely, 2^121100012167 is an apocalyptic number.

121100012167 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100012167 is an equidigital number, since it uses as much as digits as its factorization.

121100012167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 121100012167 its reverse (761210001121), we get a palindrome (882310013288).

The spelling of 121100012167 in words is "one hundred twenty-one billion, one hundred million, twelve thousand, one hundred sixty-seven".