11962111201 has 4 divisors (see below), whose sum is σ = 12125975812. Its totient is φ = 11798246592.

The previous prime is 11962111199. The next prime is 11962111207. The reversal of 11962111201 is 10211126911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10211126911 = 37 ⋅275976403.

It can be written as a sum of positive squares in 2 ways, for example, as 6264880801 + 5697230400 = 79151^2 + 75480^2 .

It is a cyclic number.

It is not a de Polignac number, because 11962111201 - 2¹ = 11962111199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11962111207) 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 3 ways as a sum of consecutive naturals, for example, 81932196 + ... + 81932341.

It is an arithmetic number, because the mean of its divisors is an integer number (3031493953).

Almost surely, 2^11962111201 is an apocalyptic number.

It is an amenable number.

11962111201 is a deficient number, since it is larger than the sum of its proper divisors (163864611).

11962111201 is an equidigital number, since it uses as much as digits as its factorization.

11962111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163864610.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 11962111201 in words is "eleven billion, nine hundred sixty-two million, one hundred eleven thousand, two hundred one".