120011221100211 has 32 divisors (see below), whose sum is σ = 184209194373120. Its totient is φ = 68078974620576.

The previous prime is 120011221100129. The next prime is 120011221100269. The reversal of 120011221100211 is 112001122110021.

It is a happy number.

It is not a de Polignac number, because 120011221100211 - 2⁷ = 120011221100083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120011221100291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34621671 + ... + 37929968.

It is an arithmetic number, because the mean of its divisors is an integer number (5756537324160).

Almost surely, 2^{120011221100211} is an apocalyptic number.

120011221100211 is a deficient number, since it is larger than the sum of its proper divisors (64197973272909).

120011221100211 is a wasteful number, since it uses less digits than its factorization.

120011221100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72552223.

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

Adding to 120011221100211 its reverse (112001122110021), we get a palindrome (232012343210232).

The spelling of 120011221100211 in words is "one hundred twenty trillion, eleven billion, two hundred twenty-one million, one hundred thousand, two hundred eleven".