120203120101 has 2 divisors, whose sum is σ = 120203120102. Its totient is φ = 120203120100.

The previous prime is 120203120087. The next prime is 120203120113. The reversal of 120203120101 is 101021302021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113991315876 + 6211804225 = 337626^2 + 78815^2 .

It is a cyclic number.

It is not a de Polignac number, because 120203120101 - 2²⁹ = 119666249189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120203120701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101560050 + 60101560051.

It is an arithmetic number, because the mean of its divisors is an integer number (60101560051).

Almost surely, 2^120203120101 is an apocalyptic number.

It is an amenable number.

120203120101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120203120101 is an equidigital number, since it uses as much as digits as its factorization.

120203120101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120203120101 its reverse (101021302021), we get a palindrome (221224422122).

The spelling of 120203120101 in words is "one hundred twenty billion, two hundred three million, one hundred twenty thousand, one hundred one".