2111022289 has 2 divisors, whose sum is σ = 2111022290. Its totient is φ = 2111022288.

The previous prime is 2111022241. The next prime is 2111022299. The reversal of 2111022289 is 9822201112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1444608064 + 666414225 = 38008^2 + 25815^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111022289 - 2¹³ = 2111014097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111022229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055511144 + 1055511145.

It is an arithmetic number, because the mean of its divisors is an integer number (1055511145).

Almost surely, 2^2111022289 is an apocalyptic number.

It is an amenable number.

2111022289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111022289 is an equidigital number, since it uses as much as digits as its factorization.

2111022289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 2111022289 is about 45945.8625884856. The cubic root of 2111022289 is about 1282.8157190156.

The spelling of 2111022289 in words is "two billion, one hundred eleven million, twenty-two thousand, two hundred eighty-nine".