120101011 has 2 divisors, whose sum is σ = 120101012. Its totient is φ = 120101010.

The previous prime is 120100999. The next prime is 120101053. The reversal of 120101011 is 110101021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120101011 - 2¹⁷ = 119969939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120100985 and 120101003.

It is not a weakly prime, because it can be changed into another prime (120101911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050505 + 60050506.

It is an arithmetic number, because the mean of its divisors is an integer number (60050506).

Almost surely, 2^120101011 is an apocalyptic number.

120101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

120101011 is an equidigital number, since it uses as much as digits as its factorization.

120101011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 120101011 is about 10959.0606805510. The cubic root of 120101011 is about 493.3807730230.

Adding to 120101011 its reverse (110101021), we get a palindrome (230202032).

It can be divided in two parts, 1201010 and 11, that added together give a palindrome (1201021).

The spelling of 120101011 in words is "one hundred twenty million, one hundred one thousand, eleven".