1111201202211 has 8 divisors (see below), whose sum is σ = 1505890154064. Its totient is φ = 728656525920.

The previous prime is 1111201202203. The next prime is 1111201202249. The reversal of 1111201202211 is 1122021021111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111201202211 - 2³ = 1111201202203 is a prime.

It is a super-2 number, since 2×1111201202211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111201202281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036068676 + ... + 3036069041.

It is an arithmetic number, because the mean of its divisors is an integer number (188236269258).

Almost surely, 2^{1111201202211} is an apocalyptic number.

1111201202211 is a deficient number, since it is larger than the sum of its proper divisors (394688951853).

1111201202211 is an equidigital number, since it uses as much as digits as its factorization.

1111201202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072137781.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1111201202211 its reverse (1122021021111), we get a palindrome (2233222223322).

The spelling of 1111201202211 in words is "one trillion, one hundred eleven billion, two hundred one million, two hundred two thousand, two hundred eleven".