1011021213009 has 8 divisors (see below), whose sum is σ = 1348088257152. Its totient is φ = 673984155440.

The previous prime is 1011021212987. The next prime is 1011021213011. The reversal of 1011021213009 is 9003121201101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1011021213009 - 2⁵ = 1011021212977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011021213109) 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 7 ways as a sum of consecutive naturals, for example, 7417854 + ... + 7552919.

It is an arithmetic number, because the mean of its divisors is an integer number (168511032144).

Almost surely, 2^{1011021213009} is an apocalyptic number.

It is an amenable number.

1011021213009 is a deficient number, since it is larger than the sum of its proper divisors (337067044143).

1011021213009 is a wasteful number, since it uses less digits than its factorization.

1011021213009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14993287.

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 1011021213009 in words is "one trillion, eleven billion, twenty-one million, two hundred thirteen thousand, nine".