120221012211211 has 4 divisors (see below), whose sum is σ = 120303411809800. Its totient is φ = 120138612612624.

The previous prime is 120221012211199. The next prime is 120221012211227. The reversal of 120221012211211 is 112112210122021.

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 120221012211211 - 2²³ = 120221003822603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120221012211511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41199797106 + ... + 41199800023.

It is an arithmetic number, because the mean of its divisors is an integer number (30075852952450).

Almost surely, 2^{120221012211211} is an apocalyptic number.

120221012211211 is a deficient number, since it is larger than the sum of its proper divisors (82399598589).

120221012211211 is an equidigital number, since it uses as much as digits as its factorization.

120221012211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82399598588.

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

Adding to 120221012211211 its reverse (112112210122021), we get a palindrome (232333222333232).

The spelling of 120221012211211 in words is "one hundred twenty trillion, two hundred twenty-one billion, twelve million, two hundred eleven thousand, two hundred eleven".