22001021027 has 2 divisors, whose sum is σ = 22001021028. Its totient is φ = 22001021026.

The previous prime is 22001021011. The next prime is 22001021051. The reversal of 22001021027 is 72012010022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001021027 - 2⁴ = 22001021011 is a prime.

It is a super-2 number, since 2×22001021027² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22001020996 and 22001021014.

It is not a weakly prime, because it can be changed into another prime (22001021327) 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, 11000510513 + 11000510514.

It is an arithmetic number, because the mean of its divisors is an integer number (11000510514).

Almost surely, 2^22001021027 is an apocalyptic number.

22001021027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001021027 is an equidigital number, since it uses as much as digits as its factorization.

22001021027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

Adding to 22001021027 its reverse (72012010022), we get a palindrome (94013031049).

The spelling of 22001021027 in words is "twenty-two billion, one million, twenty-one thousand, twenty-seven".