21214553027 has 2 divisors, whose sum is σ = 21214553028. Its totient is φ = 21214553026.

The previous prime is 21214552969. The next prime is 21214553089. The reversal of 21214553027 is 72035541212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21214553027 - 2⁶ = 21214552963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21214552984 and 21214553002.

It is not a weakly prime, because it can be changed into another prime (21214523027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10607276513 + 10607276514.

It is an arithmetic number, because the mean of its divisors is an integer number (10607276514).

Almost surely, 2^21214553027 is an apocalyptic number.

21214553027 is a deficient number, since it is larger than the sum of its proper divisors (1).

21214553027 is an equidigital number, since it uses as much as digits as its factorization.

21214553027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 21214553027 in words is "twenty-one billion, two hundred fourteen million, five hundred fifty-three thousand, twenty-seven".