100111211022211 has 4 divisors (see below), whose sum is σ = 100548377882800. Its totient is φ = 99674044161624.

The previous prime is 100111211022197. The next prime is 100111211022223. The reversal of 100111211022211 is 112220112111001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100111211022211 - 2¹⁵ = 100111210989443 is a prime.

It is a super-2 number, since 2×100111211022211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100111211022271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218583429951 + ... + 218583430408.

It is an arithmetic number, because the mean of its divisors is an integer number (25137094470700).

Almost surely, 2^{100111211022211} is an apocalyptic number.

100111211022211 is a deficient number, since it is larger than the sum of its proper divisors (437166860589).

100111211022211 is an equidigital number, since it uses as much as digits as its factorization.

100111211022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437166860588.

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

Adding to 100111211022211 its reverse (112220112111001), we get a palindrome (212331323133212).

The spelling of 100111211022211 in words is "one hundred trillion, one hundred eleven billion, two hundred eleven million, twenty-two thousand, two hundred eleven".