2211266129 has 2 divisors, whose sum is σ = 2211266130. Its totient is φ = 2211266128.

The previous prime is 2211266119. The next prime is 2211266209. The reversal of 2211266129 is 9216621122.

2211266129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1265580625 + 945685504 = 35575^2 + 30752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211266129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211266095 and 2211266104.

It is not a weakly prime, because it can be changed into another prime (2211266119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105633064 + 1105633065.

It is an arithmetic number, because the mean of its divisors is an integer number (1105633065).

Almost surely, 2^2211266129 is an apocalyptic number.

It is an amenable number.

2211266129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211266129 is an equidigital number, since it uses as much as digits as its factorization.

2211266129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 2211266129 is about 47024.1015756814. The cubic root of 2211266129 is about 1302.8077635255.

The spelling of 2211266129 in words is "two billion, two hundred eleven million, two hundred sixty-six thousand, one hundred twenty-nine".