4011221069 has 2 divisors, whose sum is σ = 4011221070. Its totient is φ = 4011221068.

The previous prime is 4011221059. The next prime is 4011221131. The reversal of 4011221069 is 9601221104.

4011221069 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., 2674441225 + 1336779844 = 51715^2 + 36562^2 .

It is a cyclic number.

It is not a de Polignac number, because 4011221069 - 2¹² = 4011216973 is a prime.

It is a super-2 number, since 2×4011221069² = 32179788928779005522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4011221059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005610534 + 2005610535.

It is an arithmetic number, because the mean of its divisors is an integer number (2005610535).

Almost surely, 2^4011221069 is an apocalyptic number.

It is an amenable number.

4011221069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011221069 is an equidigital number, since it uses as much as digits as its factorization.

4011221069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4011221069 is about 63334.2014159806. The cubic root of 4011221069 is about 1588.8840275118.

The spelling of 4011221069 in words is "four billion, eleven million, two hundred twenty-one thousand, sixty-nine".