1001222001023 has 8 divisors (see below), whose sum is σ = 1035804250800. Its totient is φ = 966643574848.

The previous prime is 1001222001007. The next prime is 1001222001053. The reversal of 1001222001023 is 3201002221001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001222001023 - 2⁴ = 1001222001007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001222000989 and 1001222001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001222001053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418013 + ... + 1475526.

It is an arithmetic number, because the mean of its divisors is an integer number (129475531350).

Almost surely, 2^{1001222001023} is an apocalyptic number.

1001222001023 is a deficient number, since it is larger than the sum of its proper divisors (34582249777).

1001222001023 is a wasteful number, since it uses less digits than its factorization.

1001222001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911801.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1001222001023 its reverse (3201002221001), we get a palindrome (4202224222024).

The spelling of 1001222001023 in words is "one trillion, one billion, two hundred twenty-two million, one thousand, twenty-three".