120203011 has 2 divisors, whose sum is σ = 120203012. Its totient is φ = 120203010.

The previous prime is 120203009. The next prime is 120203033. The reversal of 120203011 is 110302021.

It is a weak prime.

It is an emirp because it is prime and its reverse (110302021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120203011 - 2¹ = 120203009 is a prime.

It is a super-2 number, since 2×120203011² = 28897527706932242, which contains 22 as substring.

Together with 120203009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120203081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101505 + 60101506.

It is an arithmetic number, because the mean of its divisors is an integer number (60101506).

Almost surely, 2^120203011 is an apocalyptic number.

120203011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120203011 is an equidigital number, since it uses as much as digits as its factorization.

120203011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120203011 is about 10963.7133764067. The cubic root of 120203011 is about 493.5204071483.

Adding to 120203011 its reverse (110302021), we get a palindrome (230505032).

The spelling of 120203011 in words is "one hundred twenty million, two hundred three thousand, eleven".