21122032027 has 2 divisors, whose sum is σ = 21122032028. Its totient is φ = 21122032026.

The previous prime is 21122031989. The next prime is 21122032031. The reversal of 21122032027 is 72023022112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21122032027 - 2¹¹ = 21122029979 is a prime.

It is a super-4 number, since 4×21122032027⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 21122031989 and 21122032007.

It is not a weakly prime, because it can be changed into another prime (21122036027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10561016013 + 10561016014.

It is an arithmetic number, because the mean of its divisors is an integer number (10561016014).

Almost surely, 2^21122032027 is an apocalyptic number.

21122032027 is a deficient number, since it is larger than the sum of its proper divisors (1).

21122032027 is an equidigital number, since it uses as much as digits as its factorization.

21122032027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 21122032027 its reverse (72023022112), we get a palindrome (93145054139).

The spelling of 21122032027 in words is "twenty-one billion, one hundred twenty-two million, thirty-two thousand, twenty-seven".