110400220129 has 2 divisors, whose sum is σ = 110400220130. Its totient is φ = 110400220128.

The previous prime is 110400220123. The next prime is 110400220169. The reversal of 110400220129 is 921022004011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60392079504 + 50008140625 = 245748^2 + 223625^2 .

It is a cyclic number.

It is not a de Polignac number, because 110400220129 - 2²¹ = 110398122977 is a prime.

It is not a weakly prime, because it can be changed into another prime (110400220123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55200110064 + 55200110065.

It is an arithmetic number, because the mean of its divisors is an integer number (55200110065).

Almost surely, 2^110400220129 is an apocalyptic number.

It is an amenable number.

110400220129 is a deficient number, since it is larger than the sum of its proper divisors (1).

110400220129 is an equidigital number, since it uses as much as digits as its factorization.

110400220129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 110400220129 in words is "one hundred ten billion, four hundred million, two hundred twenty thousand, one hundred twenty-nine".