120102011 has 8 divisors (see below), whose sum is σ = 120929760. Its totient is φ = 119277568.

The previous prime is 120102001. The next prime is 120102013. The reversal of 120102011 is 110201021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120102011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120102011.

It is not an unprimeable number, because it can be changed into a prime (120102013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142730 + ... + 143568.

It is an arithmetic number, because the mean of its divisors is an integer number (15116220).

Almost surely, 2^120102011 is an apocalyptic number.

120102011 is a deficient number, since it is larger than the sum of its proper divisors (827749).

120102011 is an equidigital number, since it uses as much as digits as its factorization.

120102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 120102011 is about 10959.1063048042. The cubic root of 120102011 is about 493.3821423687.

Adding to 120102011 its reverse (110201021), we get a palindrome (230303032).

The spelling of 120102011 in words is "one hundred twenty million, one hundred two thousand, eleven".