100211212011 has 8 divisors (see below), whose sum is σ = 133644033424. Its totient is φ = 66792932640.

The previous prime is 100211212007. The next prime is 100211212019. The reversal of 100211212011 is 110212112001.

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

It is not a de Polignac number, because 100211212011 - 2² = 100211212007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100211212019) 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, 3619420 + ... + 3647001.

It is an arithmetic number, because the mean of its divisors is an integer number (16705504178).

Almost surely, 2^100211212011 is an apocalyptic number.

100211212011 is a deficient number, since it is larger than the sum of its proper divisors (33432821413).

100211212011 is an equidigital number, since it uses as much as digits as its factorization.

100211212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7271021.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100211212011 its reverse (110212112001), we get a palindrome (210423324012).

The spelling of 100211212011 in words is "one hundred billion, two hundred eleven million, two hundred twelve thousand, eleven".