1022120441291 has 4 divisors (see below), whose sum is σ = 1022193417000. Its totient is φ = 1022047465584.

The previous prime is 1022120441261. The next prime is 1022120441317. The reversal of 1022120441291 is 1921440212201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022120441291 - 2²⁶ = 1022053332427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022120441261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36466841 + ... + 36494858.

It is an arithmetic number, because the mean of its divisors is an integer number (255548354250).

Almost surely, 2^{1022120441291} is an apocalyptic number.

1022120441291 is a deficient number, since it is larger than the sum of its proper divisors (72975709).

1022120441291 is an equidigital number, since it uses as much as digits as its factorization.

1022120441291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72975708.

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 1022120441291 its reverse (1921440212201), we get a palindrome (2943560653492).

The spelling of 1022120441291 in words is "one trillion, twenty-two billion, one hundred twenty million, four hundred forty-one thousand, two hundred ninety-one".