2011012021201 has 8 divisors (see below), whose sum is σ = 2012831937000. Its totient is φ = 2009192305920.

The previous prime is 2011012021181. The next prime is 2011012021351. The reversal of 2011012021201 is 1021202101102.

It can be written as a sum of positive squares in 4 ways, for example, as 1466775321025 + 544236700176 = 1211105^2 + 737724^2 .

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 2011012021201 - 2¹¹ = 2011012019153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011012081201) 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, 26095875 + ... + 26172823.

It is an arithmetic number, because the mean of its divisors is an integer number (251603992125).

Almost surely, 2^{2011012021201} is an apocalyptic number.

It is an amenable number.

2011012021201 is a deficient number, since it is larger than the sum of its proper divisors (1819915799).

2011012021201 is a wasteful number, since it uses less digits than its factorization.

2011012021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100259.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2011012021201 its reverse (1021202101102), we get a palindrome (3032214122303).

The spelling of 2011012021201 in words is "two trillion, eleven billion, twelve million, twenty-one thousand, two hundred one".