1040322021321 has 32 divisors (see below), whose sum is σ = 1571194454400. Its totient is φ = 606493690880.

The previous prime is 1040322021293. The next prime is 1040322021329. The reversal of 1040322021321 is 1231202230401.

It is not a de Polignac number, because 1040322021321 - 2¹¹ = 1040322019273 is a prime.

It is a super-2 number, since 2×1040322021321² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1040322021329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1763136 + ... + 2278001.

It is an arithmetic number, because the mean of its divisors is an integer number (49099826700).

Almost surely, 2^{1040322021321} is an apocalyptic number.

1040322021321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1040322021321 is a deficient number, since it is larger than the sum of its proper divisors (530872433079).

1040322021321 is a wasteful number, since it uses less digits than its factorization.

1040322021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041449.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1040322021321 its reverse (1231202230401), we get a palindrome (2271524251722).

The spelling of 1040322021321 in words is "one trillion, forty billion, three hundred twenty-two million, twenty-one thousand, three hundred twenty-one".