1001121102227 has 2 divisors, whose sum is σ = 1001121102228. Its totient is φ = 1001121102226.

The previous prime is 1001121102161. The next prime is 1001121102277. The reversal of 1001121102227 is 7222011211001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7222011211001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001121102227 - 2¹⁴ = 1001121085843 is a prime.

It is a super-2 number, since 2×1001121102227² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001121102199 and 1001121102208.

It is not a weakly prime, because it can be changed into another prime (1001121102277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500560551113 + 500560551114.

It is an arithmetic number, because the mean of its divisors is an integer number (500560551114).

Almost surely, 2^{1001121102227} is an apocalyptic number.

1001121102227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001121102227 is an equidigital number, since it uses as much as digits as its factorization.

1001121102227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 1001121102227 its reverse (7222011211001), we get a palindrome (8223132313228).

The spelling of 1001121102227 in words is "one trillion, one billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty-seven".