4011221051 has 2 divisors, whose sum is σ = 4011221052. Its totient is φ = 4011221050.

The previous prime is 4011221017. The next prime is 4011221059. The reversal of 4011221051 is 1501221104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4011221051 - 2¹⁰ = 4011220027 is a prime.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005610525 + 2005610526.

It is an arithmetic number, because the mean of its divisors is an integer number (2005610526).

Almost surely, 2^4011221051 is an apocalyptic number.

4011221051 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011221051 is an equidigital number, since it uses as much as digits as its factorization.

4011221051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 4011221051 is about 63334.2012738773. The cubic root of 4011221051 is about 1588.8840251351.

Adding to 4011221051 its reverse (1501221104), we get a palindrome (5512442155).

The spelling of 4011221051 in words is "four billion, eleven million, two hundred twenty-one thousand, fifty-one".