120122010221 has 2 divisors, whose sum is σ = 120122010222. Its totient is φ = 120122010220.

The previous prime is 120122010199. The next prime is 120122010259. The reversal of 120122010221 is 122010221021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118001868196 + 2120142025 = 343514^2 + 46045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120122010221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120122010196 and 120122010205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120122010271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061005110 + 60061005111.

It is an arithmetic number, because the mean of its divisors is an integer number (60061005111).

Almost surely, 2^120122010221 is an apocalyptic number.

It is an amenable number.

120122010221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120122010221 is an equidigital number, since it uses as much as digits as its factorization.

120122010221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120122010221 its reverse (122010221021), we get a palindrome (242132231242).

The spelling of 120122010221 in words is "one hundred twenty billion, one hundred twenty-two million, ten thousand, two hundred twenty-one".