120112022221 has 2 divisors, whose sum is σ = 120112022222. Its totient is φ = 120112022220.

The previous prime is 120112022161. The next prime is 120112022231. The reversal of 120112022221 is 122220211021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80585015625 + 39527006596 = 283875^2 + 198814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120112022221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120112022195 and 120112022204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120112022231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056011110 + 60056011111.

It is an arithmetic number, because the mean of its divisors is an integer number (60056011111).

Almost surely, 2^120112022221 is an apocalyptic number.

It is an amenable number.

120112022221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112022221 is an equidigital number, since it uses as much as digits as its factorization.

120112022221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120112022221 its reverse (122220211021), we get a palindrome (242332233242).

The spelling of 120112022221 in words is "one hundred twenty billion, one hundred twelve million, twenty-two thousand, two hundred twenty-one".