100111201211211 has 8 divisors (see below), whose sum is σ = 135744001642560. Its totient is φ = 65609600793672.

The previous prime is 100111201211209. The next prime is 100111201211233. The reversal of 100111201211211 is 112112102111001.

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

It is not a de Polignac number, because 100111201211211 - 2¹ = 100111201211209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100111001211211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282800003245 + ... + 282800003598.

It is an arithmetic number, because the mean of its divisors is an integer number (16968000205320).

Almost surely, 2^{100111201211211} is an apocalyptic number.

100111201211211 is a deficient number, since it is larger than the sum of its proper divisors (35632800431349).

100111201211211 is an equidigital number, since it uses as much as digits as its factorization.

100111201211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565600006905.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 100111201211211 its reverse (112112102111001), we get a palindrome (212223303322212).

The spelling of 100111201211211 in words is "one hundred trillion, one hundred eleven billion, two hundred one million, two hundred eleven thousand, two hundred eleven".