120011112222211 has 16 divisors (see below), whose sum is σ = 141887230007040. Its totient is φ = 99318021294240.

The previous prime is 120011112222203. The next prime is 120011112222241. The reversal of 120011112222211 is 112222211110021.

It is a happy number.

It is not a de Polignac number, because 120011112222211 - 2³ = 120011112222203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120011112222241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8872416 + ... + 17853346.

It is an arithmetic number, because the mean of its divisors is an integer number (8867951875440).

Almost surely, 2^{120011112222211} is an apocalyptic number.

120011112222211 is a deficient number, since it is larger than the sum of its proper divisors (21876117784829).

120011112222211 is an equidigital number, since it uses as much as digits as its factorization.

120011112222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046794.

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

Adding to 120011112222211 its reverse (112222211110021), we get a palindrome (232233323332232).

The spelling of 120011112222211 in words is "one hundred twenty trillion, eleven billion, one hundred twelve million, two hundred twenty-two thousand, two hundred eleven".