1040022021001 has 4 divisors (see below), whose sum is σ = 1041028819732. Its totient is φ = 1039015222272.

The previous prime is 1040022020971. The next prime is 1040022021013. The reversal of 1040022021001 is 1001202200401.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 801803839225 + 238218181776 = 895435^2 + 488076^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040022021001 - 2¹⁵ = 1040021988233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040022021061) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 503397816 + ... + 503399881.

It is an arithmetic number, because the mean of its divisors is an integer number (260257204933).

Almost surely, 2^{1040022021001} is an apocalyptic number.

It is an amenable number.

1040022021001 is a deficient number, since it is larger than the sum of its proper divisors (1006798731).

1040022021001 is a wasteful number, since it uses less digits than its factorization.

1040022021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006798730.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1040022021001 its reverse (1001202200401), we get a palindrome (2041224221402).

The spelling of 1040022021001 in words is "one trillion, forty billion, twenty-two million, twenty-one thousand, one".