11021002012 has 12 divisors (see below), whose sum is σ = 20421268560. Its totient is φ = 5186353856.

The previous prime is 11021001947. The next prime is 11021002021. The reversal of 11021002012 is 21020012011.

It is a self number, because there is not a number n which added to its sum of digits gives 11021002012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81036712 + ... + 81036847.

It is an arithmetic number, because the mean of its divisors is an integer number (1701772380).

Almost surely, 2^11021002012 is an apocalyptic number.

It is an amenable number.

11021002012 is a deficient number, since it is larger than the sum of its proper divisors (9400266548).

11021002012 is a wasteful number, since it uses less digits than its factorization.

11021002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162073580 (or 162073578 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11021002012 its reverse (21020012011), we get a palindrome (32041014023).

Subtracting 11021002012 from its reverse (21020012011), we obtain a palindrome (9999009999).

The spelling of 11021002012 in words is "eleven billion, twenty-one million, two thousand, twelve".