222011211061 has 2 divisors, whose sum is σ = 222011211062. Its totient is φ = 222011211060.

The previous prime is 222011211013. The next prime is 222011211131. The reversal of 222011211061 is 160112110222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141635559025 + 80375652036 = 376345^2 + 283506^2 .

It is a cyclic number.

It is not a de Polignac number, because 222011211061 - 2²³ = 222002822453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222011211161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005605530 + 111005605531.

It is an arithmetic number, because the mean of its divisors is an integer number (111005605531).

Almost surely, 2^222011211061 is an apocalyptic number.

It is an amenable number.

222011211061 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011211061 is an equidigital number, since it uses as much as digits as its factorization.

222011211061 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 222011211061 its reverse (160112110222), we get a palindrome (382123321283).

The spelling of 222011211061 in words is "two hundred twenty-two billion, eleven million, two hundred eleven thousand, sixty-one".