11111012001201 has 16 divisors (see below), whose sum is σ = 17514895766400. Its totient is φ = 6130213517568.

The previous prime is 11111012001169. The next prime is 11111012001209. The reversal of 11111012001201 is 10210021011111.

It is not a de Polignac number, because 11111012001201 - 2⁵ = 11111012001169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111012001209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9122340936 + ... + 9122342153.

It is an arithmetic number, because the mean of its divisors is an integer number (1094680985400).

Almost surely, 2^{11111012001201} is an apocalyptic number.

It is an amenable number.

11111012001201 is a deficient number, since it is larger than the sum of its proper divisors (6403883765199).

11111012001201 is a wasteful number, since it uses less digits than its factorization.

11111012001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18244683128.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11111012001201 its reverse (10210021011111), we get a palindrome (21321033012312).

The spelling of 11111012001201 in words is "eleven trillion, one hundred eleven billion, twelve million, one thousand, two hundred one".