121110101022143 has 2 divisors, whose sum is σ = 121110101022144. Its totient is φ = 121110101022142.

The previous prime is 121110101022107. The next prime is 121110101022191. The reversal of 121110101022143 is 341220101011121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121110101022143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121110101322143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60555050511071 + 60555050511072.

It is an arithmetic number, because the mean of its divisors is an integer number (60555050511072).

Almost surely, 2^{121110101022143} is an apocalyptic number.

121110101022143 is a deficient number, since it is larger than the sum of its proper divisors (1).

121110101022143 is an equidigital number, since it uses as much as digits as its factorization.

121110101022143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 121110101022143 its reverse (341220101011121), we get a palindrome (462330202033264).

The spelling of 121110101022143 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred one million, twenty-two thousand, one hundred forty-three".