100100212212211 has 4 divisors (see below), whose sum is σ = 101988895461552. Its totient is φ = 98211528962872.

The previous prime is 100100212212199. The next prime is 100100212212229. The reversal of 100100212212211 is 112212212001001.

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 100100212212211 - 2¹⁷ = 100100212081139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100100212218211) 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, 944341624591 + ... + 944341624696.

It is an arithmetic number, because the mean of its divisors is an integer number (25497223865388).

Almost surely, 2^{100100212212211} is an apocalyptic number.

100100212212211 is a deficient number, since it is larger than the sum of its proper divisors (1888683249341).

100100212212211 is an equidigital number, since it uses as much as digits as its factorization.

100100212212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888683249340.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100100212212211 its reverse (112212212001001), we get a palindrome (212312424213212).

The spelling of 100100212212211 in words is "one hundred trillion, one hundred billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".