120011020011 has 10 divisors (see below), whose sum is σ = 179275721372. Its totient is φ = 80007346620.

The previous prime is 120011019983. The next prime is 120011020081. The reversal of 120011020011 is 110020110021.

It is a happy number.

It is not a de Polignac number, because 120011020011 - 2⁷ = 120011019883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120011019975 and 120011020002.

It is not an unprimeable number, because it can be changed into a prime (120011020081) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 740808685 + ... + 740808846.

Almost surely, 2^120011020011 is an apocalyptic number.

120011020011 is a deficient number, since it is larger than the sum of its proper divisors (59264701361).

120011020011 is an equidigital number, since it uses as much as digits as its factorization.

120011020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481617543 (or 1481617534 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120011020011 its reverse (110020110021), we get a palindrome (230031130032).

The spelling of 120011020011 in words is "one hundred twenty billion, eleven million, twenty thousand, eleven".