2114440021 has 2 divisors, whose sum is σ = 2114440022. Its totient is φ = 2114440020.

The previous prime is 2114440019. The next prime is 2114440037. The reversal of 2114440021 is 1200444112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1441037521 + 673402500 = 37961^2 + 25950^2 .

It is a cyclic number.

It is not a de Polignac number, because 2114440021 - 2¹ = 2114440019 is a prime.

Together with 2114440019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2114440051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057220010 + 1057220011.

It is an arithmetic number, because the mean of its divisors is an integer number (1057220011).

Almost surely, 2^2114440021 is an apocalyptic number.

It is an amenable number.

2114440021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2114440021 is an equidigital number, since it uses as much as digits as its factorization.

2114440021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2114440021 is about 45983.0405801965. The cubic root of 2114440021 is about 1283.5076359792.

Adding to 2114440021 its reverse (1200444112), we get a palindrome (3314884133).

The spelling of 2114440021 in words is "two billion, one hundred fourteen million, four hundred forty thousand, twenty-one".