120212010120221 has 2 divisors, whose sum is σ = 120212010120222. Its totient is φ = 120212010120220.

The previous prime is 120212010120199. The next prime is 120212010120277. The reversal of 120212010120221 is 122021010212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63843072314596 + 56368937805625 = 7990186^2 + 7507925^2 .

It is a cyclic number.

It is not a de Polignac number, because 120212010120221 - 2¹⁰ = 120212010119197 is a prime.

It is a super-2 number, since 2×120212010120221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120212010120221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120212010120281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60106005060110 + 60106005060111.

It is an arithmetic number, because the mean of its divisors is an integer number (60106005060111).

Almost surely, 2^{120212010120221} is an apocalyptic number.

It is an amenable number.

120212010120221 is a deficient number, since it is larger than the sum of its proper divisors (1).

120212010120221 is an equidigital number, since it uses as much as digits as its factorization.

120212010120221 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 17.

Adding to 120212010120221 its reverse (122021010212021), we get a palindrome (242233020332242).

The spelling of 120212010120221 in words is "one hundred twenty trillion, two hundred twelve billion, ten million, one hundred twenty thousand, two hundred twenty-one".