11214421051 has 2 divisors, whose sum is σ = 11214421052. Its totient is φ = 11214421050.

The previous prime is 11214421019. The next prime is 11214421117. The reversal of 11214421051 is 15012441211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11214421051 - 2⁵ = 11214421019 is a prime.

It is a super-2 number, since 2×11214421051² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11214451051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607210525 + 5607210526.

It is an arithmetic number, because the mean of its divisors is an integer number (5607210526).

Almost surely, 2^11214421051 is an apocalyptic number.

11214421051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11214421051 is an equidigital number, since it uses as much as digits as its factorization.

11214421051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 11214421051 its reverse (15012441211), we get a palindrome (26226862262).

The spelling of 11214421051 in words is "eleven billion, two hundred fourteen million, four hundred twenty-one thousand, fifty-one".