1121022231001 has 2 divisors, whose sum is σ = 1121022231002. Its totient is φ = 1121022231000.

The previous prime is 1121022230987. The next prime is 1121022231011. The reversal of 1121022231001 is 1001322201211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 902652006400 + 218370224601 = 950080^2 + 467301^2 .

It is an emirp because it is prime and its reverse (1001322201211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121022231001 - 2¹³ = 1121022222809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121022231011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560511115500 + 560511115501.

It is an arithmetic number, because the mean of its divisors is an integer number (560511115501).

Almost surely, 2^{1121022231001} is an apocalyptic number.

It is an amenable number.

1121022231001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121022231001 is an equidigital number, since it uses as much as digits as its factorization.

1121022231001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1121022231001 its reverse (1001322201211), we get a palindrome (2122344432212).

The spelling of 1121022231001 in words is "one trillion, one hundred twenty-one billion, twenty-two million, two hundred thirty-one thousand, one".