10111022200261 has 2 divisors, whose sum is σ = 10111022200262. Its totient is φ = 10111022200260.

The previous prime is 10111022200219. The next prime is 10111022200339. The reversal of 10111022200261 is 16200222011101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8442546227236 + 1668475973025 = 2905606^2 + 1291695^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111022200261 - 2⁹ = 10111022199749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111022200561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055511100130 + 5055511100131.

It is an arithmetic number, because the mean of its divisors is an integer number (5055511100131).

Almost surely, 2^{10111022200261} is an apocalyptic number.

It is an amenable number.

10111022200261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111022200261 is an equidigital number, since it uses as much as digits as its factorization.

10111022200261 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 19.

Adding to 10111022200261 its reverse (16200222011101), we get a palindrome (26311244211362).

The spelling of 10111022200261 in words is "ten trillion, one hundred eleven billion, twenty-two million, two hundred thousand, two hundred sixty-one".