120011211222211 has 4 divisors (see below), whose sum is σ = 120011241292272. Its totient is φ = 120011181152152.

The previous prime is 120011211222113. The next prime is 120011211222283. The reversal of 120011211222211 is 112222112110021.

It is a happy number.

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 120011211222211 - 2³¹ = 120009063738563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120011211222811) 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 3 ways as a sum of consecutive naturals, for example, 7928911 + ... + 17403736.

It is an arithmetic number, because the mean of its divisors is an integer number (30002810323068).

Almost surely, 2^{120011211222211} is an apocalyptic number.

120011211222211 is a deficient number, since it is larger than the sum of its proper divisors (30070061).

120011211222211 is an equidigital number, since it uses as much as digits as its factorization.

120011211222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30070060.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120011211222211 its reverse (112222112110021), we get a palindrome (232233323332232).

The spelling of 120011211222211 in words is "one hundred twenty trillion, eleven billion, two hundred eleven million, two hundred twenty-two thousand, two hundred eleven".