11214021001 has 2 divisors, whose sum is σ = 11214021002. Its totient is φ = 11214021000.

The previous prime is 11214020999. The next prime is 11214021017. The reversal of 11214021001 is 10012041211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6292296976 + 4921724025 = 79324^2 + 70155^2 .

It is an emirp because it is prime and its reverse (10012041211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11214021001 - 2¹ = 11214020999 is a prime.

Together with 11214020999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11214021101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607010500 + 5607010501.

It is an arithmetic number, because the mean of its divisors is an integer number (5607010501).

Almost surely, 2^11214021001 is an apocalyptic number.

It is an amenable number.

11214021001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11214021001 is an equidigital number, since it uses as much as digits as its factorization.

11214021001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11214021001 its reverse (10012041211), we get a palindrome (21226062212).

The spelling of 11214021001 in words is "eleven billion, two hundred fourteen million, twenty-one thousand, one".