1001322322121 has 4 divisors (see below), whose sum is σ = 1092351624144. Its totient is φ = 910293020100.

The previous prime is 1001322322103. The next prime is 1001322322123. The reversal of 1001322322121 is 1212232231001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001322322121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001322322093 and 1001322322102.

It is not an unprimeable number, because it can be changed into a prime (1001322322123) 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 in 3 ways as a sum of consecutive naturals, for example, 45514650995 + ... + 45514651016.

It is an arithmetic number, because the mean of its divisors is an integer number (273087906036).

Almost surely, 2^{1001322322121} is an apocalyptic number.

1001322322121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1001322322121 is a deficient number, since it is larger than the sum of its proper divisors (91029302023).

1001322322121 is an equidigital number, since it uses as much as digits as its factorization.

1001322322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91029302022.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1001322322121 its reverse (1212232231001), we get a palindrome (2213554553122).

The spelling of 1001322322121 in words is "one trillion, one billion, three hundred twenty-two million, three hundred twenty-two thousand, one hundred twenty-one".