120555722211 has 4 divisors (see below), whose sum is σ = 160740962952. Its totient is φ = 80370481472.

The previous prime is 120555722167. The next prime is 120555722227. The reversal of 120555722211 is 112227555021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112227555021 = 3 ⋅37409185007.

It is a cyclic number.

It is not a de Polignac number, because 120555722211 - 2³⁵ = 86195983843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120555722291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20092620366 + ... + 20092620371.

It is an arithmetic number, because the mean of its divisors is an integer number (40185240738).

Almost surely, 2^120555722211 is an apocalyptic number.

120555722211 is a deficient number, since it is larger than the sum of its proper divisors (40185240741).

120555722211 is an equidigital number, since it uses as much as digits as its factorization.

120555722211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40185240740.

The product of its (nonzero) digits is 14000, while the sum is 33.

The spelling of 120555722211 in words is "one hundred twenty billion, five hundred fifty-five million, seven hundred twenty-two thousand, two hundred eleven".