100012221111211 has 4 divisors (see below), whose sum is σ = 100018159038232. Its totient is φ = 100006283184192.

The previous prime is 100012221111199. The next prime is 100012221111269. The reversal of 100012221111211 is 112111122210001.

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 100012221111211 - 2¹³ = 100012221103019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100012221111281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2968938246 + ... + 2968971931.

It is an arithmetic number, because the mean of its divisors is an integer number (25004539759558).

Almost surely, 2^{100012221111211} is an apocalyptic number.

100012221111211 is a deficient number, since it is larger than the sum of its proper divisors (5937927021).

100012221111211 is an equidigital number, since it uses as much as digits as its factorization.

100012221111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5937927020.

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

Adding to 100012221111211 its reverse (112111122210001), we get a palindrome (212123343321212).

The spelling of 100012221111211 in words is "one hundred trillion, twelve billion, two hundred twenty-one million, one hundred eleven thousand, two hundred eleven".