120011102221 has 2 divisors, whose sum is σ = 120011102222. Its totient is φ = 120011102220.

The previous prime is 120011102153. The next prime is 120011102269. The reversal of 120011102221 is 122201110021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69334789225 + 50676312996 = 263315^2 + 225114^2 .

It is a cyclic number.

It is not a de Polignac number, because 120011102221 - 2⁹ = 120011101709 is a prime.

It is a super-2 number, since 2×120011102221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120011103221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005551110 + 60005551111.

It is an arithmetic number, because the mean of its divisors is an integer number (60005551111).

Almost surely, 2^120011102221 is an apocalyptic number.

It is an amenable number.

120011102221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011102221 is an equidigital number, since it uses as much as digits as its factorization.

120011102221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120011102221 its reverse (122201110021), we get a palindrome (242212212242).

The spelling of 120011102221 in words is "one hundred twenty billion, eleven million, one hundred two thousand, two hundred twenty-one".