201121020120011 has 8 divisors (see below), whose sum is σ = 209664327589248. Its totient is φ = 192706183440000.

The previous prime is 201121020119993. The next prime is 201121020120061. The reversal of 201121020120011 is 110021020121102.

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 201121020120011 - 2¹⁰ = 201121020118987 is a prime.

It is a super-2 number, since 2×201121020120011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201121020120061) 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, 32117694110 + ... + 32117700371.

It is an arithmetic number, because the mean of its divisors is an integer number (26208040948656).

Almost surely, 2^{201121020120011} is an apocalyptic number.

201121020120011 is a deficient number, since it is larger than the sum of its proper divisors (8543307469237).

201121020120011 is a wasteful number, since it uses less digits than its factorization.

201121020120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64235394613.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201121020120011 its reverse (110021020121102), we get a palindrome (311142040241113).

The spelling of 201121020120011 in words is "two hundred one trillion, one hundred twenty-one billion, twenty million, one hundred twenty thousand, eleven".