120120111220211 has 32 divisors (see below), whose sum is σ = 123655437563328. Its totient is φ = 116647171683840.

The previous prime is 120120111220163. The next prime is 120120111220231. The reversal of 120120111220211 is 112022111021021.

It is a cyclic number.

It is not a de Polignac number, because 120120111220211 - 2⁶ = 120120111220147 is a prime.

It is a super-2 number, since 2×120120111220211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120120111220211.

It is not an unprimeable number, because it can be changed into a prime (120120111220231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1087230905 + ... + 1087341381.

It is an arithmetic number, because the mean of its divisors is an integer number (3864232423854).

Almost surely, 2^{120120111220211} is an apocalyptic number.

120120111220211 is a deficient number, since it is larger than the sum of its proper divisors (3535326343117).

120120111220211 is a wasteful number, since it uses less digits than its factorization.

120120111220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111431.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120120111220211 its reverse (112022111021021), we get a palindrome (232142222241232).

The spelling of 120120111220211 in words is "one hundred twenty trillion, one hundred twenty billion, one hundred eleven million, two hundred twenty thousand, two hundred eleven".