222011021101 has 2 divisors, whose sum is σ = 222011021102. Its totient is φ = 222011021100.

The previous prime is 222011021081. The next prime is 222011021143. The reversal of 222011021101 is 101120110222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188899759876 + 33111261225 = 434626^2 + 181965^2 .

It is a cyclic number.

It is not a de Polignac number, because 222011021101 - 2¹⁵ = 222010988333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222011021171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005510550 + 111005510551.

It is an arithmetic number, because the mean of its divisors is an integer number (111005510551).

Almost surely, 2^222011021101 is an apocalyptic number.

It is an amenable number.

222011021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011021101 is an equidigital number, since it uses as much as digits as its factorization.

222011021101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222011021101 its reverse (101120110222), we get a palindrome (323131131323).

The spelling of 222011021101 in words is "two hundred twenty-two billion, eleven million, twenty-one thousand, one hundred one".