11011021201201 has 32 divisors (see below), whose sum is σ = 12737226700800. Its totient is φ = 9323883039744.

The previous prime is 11011021201189. The next prime is 11011021201231. The reversal of 11011021201201 is 10210212011011.

It is a happy number.

It is not a de Polignac number, because 11011021201201 - 2⁷ = 11011021201073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011021201231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254198121 + ... + 254241433.

It is an arithmetic number, because the mean of its divisors is an integer number (398038334400).

Almost surely, 2^{11011021201201} is an apocalyptic number.

It is an amenable number.

11011021201201 is a deficient number, since it is larger than the sum of its proper divisors (1726205499599).

11011021201201 is a wasteful number, since it uses less digits than its factorization.

11011021201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44785.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11011021201201 its reverse (10210212011011), we get a palindrome (21221233212212).

The spelling of 11011021201201 in words is "eleven trillion, eleven billion, twenty-one million, two hundred one thousand, two hundred one".