120311200012211 has 16 divisors (see below), whose sum is σ = 137192333582304. Its totient is φ = 104520022700544.

The previous prime is 120311200012151. The next prime is 120311200012231. The reversal of 120311200012211 is 112210002113021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120311200012211 - 2¹⁸ = 120311199750067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 120311200012211.

It is not an unprimeable number, because it can be changed into a prime (120311200012231) 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, 3518000 + ... + 15905933.

It is an arithmetic number, because the mean of its divisors is an integer number (8574520848894).

Almost surely, 2^{120311200012211} is an apocalyptic number.

120311200012211 is a deficient number, since it is larger than the sum of its proper divisors (16881133570093).

120311200012211 is a wasteful number, since it uses less digits than its factorization.

120311200012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19451990.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 120311200012211 its reverse (112210002113021), we get a palindrome (232521202125232).

The spelling of 120311200012211 in words is "one hundred twenty trillion, three hundred eleven billion, two hundred million, twelve thousand, two hundred eleven".