4011204201121 has 16 divisors (see below), whose sum is σ = 4333699906704. Its totient is φ = 3690701846784.

The previous prime is 4011204200999. The next prime is 4011204201131. The reversal of 4011204201121 is 1211024021104.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1550585300625 + 2460618900496 = 1245225^2 + 1568636^2 .

It is a cyclic number.

It is not a de Polignac number, because 4011204201121 - 2³³ = 4002614266529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4011204201131) 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 15 ways as a sum of consecutive naturals, for example, 77271651 + ... + 77323543.

It is an arithmetic number, because the mean of its divisors is an integer number (270856244169).

Almost surely, 2^{4011204201121} is an apocalyptic number.

It is an amenable number.

4011204201121 is a deficient number, since it is larger than the sum of its proper divisors (322495705583).

4011204201121 is a wasteful number, since it uses less digits than its factorization.

4011204201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70980.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 4011204201121 its reverse (1211024021104), we get a palindrome (5222228222225).

The spelling of 4011204201121 in words is "four trillion, eleven billion, two hundred four million, two hundred one thousand, one hundred twenty-one".