22121101027 has 2 divisors, whose sum is σ = 22121101028. Its totient is φ = 22121101026.

The previous prime is 22121101019. The next prime is 22121101039. The reversal of 22121101027 is 72010112122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121101027 - 2³ = 22121101019 is a prime.

It is a super-2 number, since 2×22121101027² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22121100995 and 22121101013.

It is not a weakly prime, because it can be changed into another prime (22121101007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060550513 + 11060550514.

It is an arithmetic number, because the mean of its divisors is an integer number (11060550514).

Almost surely, 2^22121101027 is an apocalyptic number.

22121101027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121101027 is an equidigital number, since it uses as much as digits as its factorization.

22121101027 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 19.

Adding to 22121101027 its reverse (72010112122), we get a palindrome (94131213149).

The spelling of 22121101027 in words is "twenty-two billion, one hundred twenty-one million, one hundred one thousand, twenty-seven".