1001001121322 has 4 divisors (see below), whose sum is σ = 1501501681986. Its totient is φ = 500500560660.

The previous prime is 1001001121303. The next prime is 1001001121391. The reversal of 1001001121322 is 2231211001001.

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

It can be written as a sum of positive squares in only one way, i.e., 841753035841 + 159248085481 = 917471^2 + 399059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1001001121297 and 1001001121306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250250280329 + ... + 250250280332.

Almost surely, 2^{1001001121322} is an apocalyptic number.

1001001121322 is a deficient number, since it is larger than the sum of its proper divisors (500500560664).

1001001121322 is an equidigital number, since it uses as much as digits as its factorization.

1001001121322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500500560663.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001001121322 its reverse (2231211001001), we get a palindrome (3232212122323).

The spelling of 1001001121322 in words is "one trillion, one billion, one million, one hundred twenty-one thousand, three hundred twenty-two".