11221001000012 has 12 divisors (see below), whose sum is σ = 19637874165000. Its totient is φ = 5610179810016.

The previous prime is 11221000999991. The next prime is 11221001000023. The reversal of 11221001000012 is 21000010012211.

It is a junction number, because it is equal to n+sod(n) for n = 11221000999957 and 11221001000002.

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, 80093762 + ... + 80233737.

It is an arithmetic number, because the mean of its divisors is an integer number (1636489513750).

Almost surely, 2^{11221001000012} is an apocalyptic number.

It is an amenable number.

11221001000012 is a deficient number, since it is larger than the sum of its proper divisors (8416873164988).

11221001000012 is a wasteful number, since it uses less digits than its factorization.

11221001000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160345000 (or 160344998 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11221001000012 its reverse (21000010012211), we get a palindrome (32221011012223).

The spelling of 11221001000012 in words is "eleven trillion, two hundred twenty-one billion, one million, twelve", and thus it is an aban number.