1010120002011 has 12 divisors (see below), whose sum is σ = 1522499713488. Its totient is φ = 644134493904.

The previous prime is 1010120002009. The next prime is 1010120002049. The reversal of 1010120002011 is 1102000210101.

It is a happy number.

It is not a de Polignac number, because 1010120002011 - 2¹ = 1010120002009 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 = 1010120001984 and 1010120002002.

It is not an unprimeable number, because it can be changed into a prime (1010120002051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2439903180 + ... + 2439903593.

It is an arithmetic number, because the mean of its divisors is an integer number (126874976124).

Almost surely, 2^{1010120002011} is an apocalyptic number.

1010120002011 is a deficient number, since it is larger than the sum of its proper divisors (512379711477).

1010120002011 is a wasteful number, since it uses less digits than its factorization.

1010120002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879806802 (or 4879806799 counting only the distinct ones).

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

Adding to 1010120002011 its reverse (1102000210101), we get a palindrome (2112120212112).

The spelling of 1010120002011 in words is "one trillion, ten billion, one hundred twenty million, two thousand, eleven".