21214030036051 has 2 divisors, whose sum is σ = 21214030036052. Its totient is φ = 21214030036050.

The previous prime is 21214030036049. The next prime is 21214030036079. The reversal of 21214030036051 is 15063003041212.

It is an a-pointer prime, because the next prime (21214030036079) can be obtained adding 21214030036051 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21214030036051 - 2¹ = 21214030036049 is a prime.

Together with 21214030036049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (21214030036091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10607015018025 + 10607015018026.

It is an arithmetic number, because the mean of its divisors is an integer number (10607015018026).

Almost surely, 2^{21214030036051} is an apocalyptic number.

21214030036051 is a deficient number, since it is larger than the sum of its proper divisors (1).

21214030036051 is an equidigital number, since it uses as much as digits as its factorization.

21214030036051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 21214030036051 its reverse (15063003041212), we get a palindrome (36277033077263).

The spelling of 21214030036051 in words is "twenty-one trillion, two hundred fourteen billion, thirty million, thirty-six thousand, fifty-one".