110111230121029 has 2 divisors, whose sum is σ = 110111230121030. Its totient is φ = 110111230121028.

The previous prime is 110111230121023. The next prime is 110111230121089. The reversal of 110111230121029 is 920121032111011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93990989061025 + 16120241060004 = 9694895^2 + 4015002^2 .

It is an emirp because it is prime and its reverse (920121032111011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110111230121029 - 2¹⁵ = 110111230088261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110111230120994 and 110111230121012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110111230121023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055615060514 + 55055615060515.

It is an arithmetic number, because the mean of its divisors is an integer number (55055615060515).

Almost surely, 2^{110111230121029} is an apocalyptic number.

It is an amenable number.

110111230121029 is a deficient number, since it is larger than the sum of its proper divisors (1).

110111230121029 is an equidigital number, since it uses as much as digits as its factorization.

110111230121029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 110111230121029 in words is "one hundred ten trillion, one hundred eleven billion, two hundred thirty million, one hundred twenty-one thousand, twenty-nine".