120120020101 has 2 divisors, whose sum is σ = 120120020102. Its totient is φ = 120120020100.

The previous prime is 120120020047. The next prime is 120120020113. The reversal of 120120020101 is 101020021021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100077955201 + 20042064900 = 316351^2 + 141570^2 .

It is a cyclic number.

It is not a de Polignac number, because 120120020101 - 2²¹ = 120117922949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120120020161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060010050 + 60060010051.

It is an arithmetic number, because the mean of its divisors is an integer number (60060010051).

Almost surely, 2^120120020101 is an apocalyptic number.

It is an amenable number.

120120020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120120020101 is an equidigital number, since it uses as much as digits as its factorization.

120120020101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120120020101 its reverse (101020021021), we get a palindrome (221140041122).

The spelling of 120120020101 in words is "one hundred twenty billion, one hundred twenty million, twenty thousand, one hundred one".