120002011011 has 24 divisors (see below), whose sum is σ = 176632359696. Its totient is φ = 78480492480.

The previous prime is 120002011009. The next prime is 120002011027. The reversal of 120002011011 is 110110200021.

It is a happy number.

It is not a de Polignac number, because 120002011011 - 2¹ = 120002011009 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 120002010984 and 120002011002.

It is not an unprimeable number, because it can be changed into a prime (120002013011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4384776 + ... + 4412058.

It is an arithmetic number, because the mean of its divisors is an integer number (7359681654).

Almost surely, 2^120002011011 is an apocalyptic number.

120002011011 is a deficient number, since it is larger than the sum of its proper divisors (56630348685).

120002011011 is a wasteful number, since it uses less digits than its factorization.

120002011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36563 (or 36560 counting only the distinct ones).

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

Adding to 120002011011 its reverse (110110200021), we get a palindrome (230112211032).

The spelling of 120002011011 in words is "one hundred twenty billion, two million, eleven thousand, eleven".