120122021212021 has 2 divisors, whose sum is σ = 120122021212022. Its totient is φ = 120122021212020.

The previous prime is 120122021212019. The next prime is 120122021212031. The reversal of 120122021212021 is 120212120221021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109157883058225 + 10964138153796 = 10447865^2 + 3311214^2 .

It is a cyclic number.

It is not a de Polignac number, because 120122021212021 - 2¹ = 120122021212019 is a prime.

It is a super-2 number, since 2×120122021212021² (a number of 29 digits) contains 22 as substring.

Together with 120122021212019, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120122021212021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120122021212001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061010606010 + 60061010606011.

It is an arithmetic number, because the mean of its divisors is an integer number (60061010606011).

Almost surely, 2^{120122021212021} is an apocalyptic number.

It is an amenable number.

120122021212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120122021212021 is an equidigital number, since it uses as much as digits as its factorization.

120122021212021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120122021212021 its reverse (120212120221021), we get a palindrome (240334141433042).

The spelling of 120122021212021 in words is "one hundred twenty trillion, one hundred twenty-two billion, twenty-one million, two hundred twelve thousand, twenty-one".