4020032041121 has 8 divisors (see below), whose sum is σ = 4021949158920. Its totient is φ = 4018115126272.

The previous prime is 4020032041097. The next prime is 4020032041163. The reversal of 4020032041121 is 1211402300204.

It can be written as a sum of positive squares in 4 ways, for example, as 617538218896 + 3402493822225 = 785836^2 + 1844585^2 .

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 4020032041121 - 2¹⁰ = 4020032040097 is a prime.

It is a super-2 number, since 2×4020032041121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4020032041093 and 4020032041102.

It is not an unprimeable number, because it can be changed into a prime (4020032041721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51920525 + ... + 51997893.

It is an arithmetic number, because the mean of its divisors is an integer number (502743644865).

Almost surely, 2^{4020032041121} is an apocalyptic number.

It is an amenable number.

4020032041121 is a deficient number, since it is larger than the sum of its proper divisors (1917117799).

4020032041121 is a wasteful number, since it uses less digits than its factorization.

4020032041121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101475.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4020032041121 its reverse (1211402300204), we get a palindrome (5231434341325).

The spelling of 4020032041121 in words is "four trillion, twenty billion, thirty-two million, forty-one thousand, one hundred twenty-one".