120011121212211 has 64 divisors (see below), whose sum is σ = 188683767014400. Its totient is φ = 75255347462400.

The previous prime is 120011121212209. The next prime is 120011121212219. The reversal of 120011121212211 is 112212121110021.

It is a happy number.

120011121212211 is a `hidden beast` number, since 120 + 0 + 1 + 1 + 121 + 212 + 211 = 666.

It is not a de Polignac number, because 120011121212211 - 2¹ = 120011121212209 is a prime.

It is a super-2 number, since 2×120011121212211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120011121212219) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19478170 + ... + 24888176.

It is an arithmetic number, because the mean of its divisors is an integer number (2948183859600).

Almost surely, 2^{120011121212211} is an apocalyptic number.

120011121212211 is a deficient number, since it is larger than the sum of its proper divisors (68672645802189).

120011121212211 is a wasteful number, since it uses less digits than its factorization.

120011121212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410777 (or 5410771 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 120011121212211 its reverse (112212121110021), we get a palindrome (232223242322232).

The spelling of 120011121212211 in words is "one hundred twenty trillion, eleven billion, one hundred twenty-one million, two hundred twelve thousand, two hundred eleven".