941330021 has 2 divisors, whose sum is σ = 941330022. Its totient is φ = 941330020.

The previous prime is 941330017. The next prime is 941330051. The reversal of 941330021 is 120033149.

941330021 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., 527207521 + 414122500 = 22961^2 + 20350^2 .

It is an emirp because it is prime and its reverse (120033149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 941330021 - 2² = 941330017 is a prime.

It is a super-2 number, since 2×941330021² = 1772204416871720882, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (941330051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470665010 + 470665011.

It is an arithmetic number, because the mean of its divisors is an integer number (470665011).

Almost surely, 2^941330021 is an apocalyptic number.

It is an amenable number.

941330021 is a deficient number, since it is larger than the sum of its proper divisors (1).

941330021 is an equidigital number, since it uses as much as digits as its factorization.

941330021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 941330021 is about 30681.1020173657. The cubic root of 941330021 is about 980.0479016569.

The spelling of 941330021 in words is "nine hundred forty-one million, three hundred thirty thousand, twenty-one".