110020401040261 has 2 divisors, whose sum is σ = 110020401040262. Its totient is φ = 110020401040260.

The previous prime is 110020401040219. The next prime is 110020401040271. The reversal of 110020401040261 is 162040104020011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106250225450625 + 3770175589636 = 10307775^2 + 1941694^2 .

It is a cyclic number.

It is not a de Polignac number, because 110020401040261 - 2⁹ = 110020401039749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110020401040271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010200520130 + 55010200520131.

It is an arithmetic number, because the mean of its divisors is an integer number (55010200520131).

Almost surely, 2^{110020401040261} is an apocalyptic number.

It is an amenable number.

110020401040261 is a deficient number, since it is larger than the sum of its proper divisors (1).

110020401040261 is an equidigital number, since it uses as much as digits as its factorization.

110020401040261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 110020401040261 its reverse (162040104020011), we get a palindrome (272060505060272).

The spelling of 110020401040261 in words is "one hundred ten trillion, twenty billion, four hundred one million, forty thousand, two hundred sixty-one".