120210021211001 has 2 divisors, whose sum is σ = 120210021211002. Its totient is φ = 120210021211000.

The previous prime is 120210021210949. The next prime is 120210021211009. The reversal of 120210021211001 is 100112120012021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111507285209401 + 8702736001600 = 10559701^2 + 2950040^2 .

It is a cyclic number.

It is not a de Polignac number, because 120210021211001 - 2¹⁰ = 120210021209977 is a prime.

It is not a weakly prime, because it can be changed into another prime (120210021211009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105010605500 + 60105010605501.

It is an arithmetic number, because the mean of its divisors is an integer number (60105010605501).

Almost surely, 2^{120210021211001} is an apocalyptic number.

It is an amenable number.

120210021211001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120210021211001 is an equidigital number, since it uses as much as digits as its factorization.

120210021211001 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 14.

Adding to 120210021211001 its reverse (100112120012021), we get a palindrome (220322141223022).

The spelling of 120210021211001 in words is "one hundred twenty trillion, two hundred ten billion, twenty-one million, two hundred eleven thousand, one".