120221100011211 has 4 divisors (see below), whose sum is σ = 160294800014952. Its totient is φ = 80147400007472.

The previous prime is 120221100011183. The next prime is 120221100011269. The reversal of 120221100011211 is 112110001122021.

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 120221100011211 - 2²³ = 120221091622603 is a prime.

It is a super-2 number, since 2×120221100011211² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120221100010211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20036850001866 + ... + 20036850001871.

It is an arithmetic number, because the mean of its divisors is an integer number (40073700003738).

Almost surely, 2^{120221100011211} is an apocalyptic number.

120221100011211 is a deficient number, since it is larger than the sum of its proper divisors (40073700003741).

120221100011211 is an equidigital number, since it uses as much as digits as its factorization.

120221100011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40073700003740.

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

Adding to 120221100011211 its reverse (112110001122021), we get a palindrome (232331101133232).

The spelling of 120221100011211 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred million, eleven thousand, two hundred eleven".