2014100021 has 2 divisors, whose sum is σ = 2014100022. Its totient is φ = 2014100020.

The previous prime is 2014099987. The next prime is 2014100027. The reversal of 2014100021 is 1200014102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1671664996 + 342435025 = 40886^2 + 18505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2014100021 - 2²² = 2009905717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2014099975 and 2014100011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2014100027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007050010 + 1007050011.

It is an arithmetic number, because the mean of its divisors is an integer number (1007050011).

Almost surely, 2^2014100021 is an apocalyptic number.

It is an amenable number.

2014100021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2014100021 is an equidigital number, since it uses as much as digits as its factorization.

2014100021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2014100021 is about 44878.7257060626. The cubic root of 2014100021 is about 1262.8749379617.

Adding to 2014100021 its reverse (1200014102), we get a palindrome (3214114123).

The spelling of 2014100021 in words is "two billion, fourteen million, one hundred thousand, twenty-one".