120110011122221 has 2 divisors, whose sum is σ = 120110011122222. Its totient is φ = 120110011122220.

The previous prime is 120110011122209. The next prime is 120110011122259. The reversal of 120110011122221 is 122221110011021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79722219412900 + 40387791709321 = 8928730^2 + 6355139^2 .

It is a cyclic number.

It is not a de Polignac number, because 120110011122221 - 2¹⁰ = 120110011121197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120110011122221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120110011152221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60055005561110 + 60055005561111.

It is an arithmetic number, because the mean of its divisors is an integer number (60055005561111).

Almost surely, 2^{120110011122221} is an apocalyptic number.

It is an amenable number.

120110011122221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120110011122221 is an equidigital number, since it uses as much as digits as its factorization.

120110011122221 is an odious number, because the sum of its binary digits is odd.

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

Adding to 120110011122221 its reverse (122221110011021), we get a palindrome (242331121133242).

The spelling of 120110011122221 in words is "one hundred twenty trillion, one hundred ten billion, eleven million, one hundred twenty-two thousand, two hundred twenty-one".