100011221201211 has 8 divisors (see below), whose sum is σ = 133348377067344. Its totient is φ = 66674106401280.

The previous prime is 100011221201197. The next prime is 100011221201273. The reversal of 100011221201211 is 112102122110001.

It is a happy number.

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

It is not a de Polignac number, because 100011221201211 - 2²¹ = 100011219104059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100011221221211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4045506 + ... + 14710151.

It is an arithmetic number, because the mean of its divisors is an integer number (16668547133418).

Almost surely, 2^{100011221201211} is an apocalyptic number.

100011221201211 is a deficient number, since it is larger than the sum of its proper divisors (33337155866133).

100011221201211 is a wasteful number, since it uses less digits than its factorization.

100011221201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20533101.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100011221201211 its reverse (112102122110001), we get a palindrome (212113343311212).

The spelling of 100011221201211 in words is "one hundred trillion, eleven billion, two hundred twenty-one million, two hundred one thousand, two hundred eleven".