10221121112227 has 2 divisors, whose sum is σ = 10221121112228. Its totient is φ = 10221121112226.

The previous prime is 10221121112221. The next prime is 10221121112243. The reversal of 10221121112227 is 72221112112201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221121112227 - 2³⁹ = 9671365298339 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221121112221) 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, 5110560556113 + 5110560556114.

It is an arithmetic number, because the mean of its divisors is an integer number (5110560556114).

Almost surely, 2^{10221121112227} is an apocalyptic number.

10221121112227 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221121112227 is an equidigital number, since it uses as much as digits as its factorization.

10221121112227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 10221121112227 its reverse (72221112112201), we get a palindrome (82442233224428).

The spelling of 10221121112227 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twenty-seven".