100211101211 has 4 divisors (see below), whose sum is σ = 107919647472. Its totient is φ = 92502554952.

The previous prime is 100211101171. The next prime is 100211101259. The reversal of 100211101211 is 112101112001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112101112001 = 211 ⋅531284891.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100211101211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100211101192 and 100211101201.

It is not an unprimeable number, because it can be changed into a prime (100211101811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854273111 + ... + 3854273136.

It is an arithmetic number, because the mean of its divisors is an integer number (26979911868).

Almost surely, 2^100211101211 is an apocalyptic number.

100211101211 is a deficient number, since it is larger than the sum of its proper divisors (7708546261).

100211101211 is an equidigital number, since it uses as much as digits as its factorization.

100211101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708546260.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100211101211 its reverse (112101112001), we get a palindrome (212312213212).

The spelling of 100211101211 in words is "one hundred billion, two hundred eleven million, one hundred one thousand, two hundred eleven".