11221220102012 has 12 divisors (see below), whose sum is σ = 19658092639920. Its totient is φ = 5604622204896.

The previous prime is 11221220101981. The next prime is 11221220102069. The reversal of 11221220102012 is 21020102212211.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1496957312 + ... + 1496964807.

It is an arithmetic number, because the mean of its divisors is an integer number (1638174386660).

Almost surely, 2^{11221220102012} is an apocalyptic number.

It is an amenable number.

11221220102012 is a deficient number, since it is larger than the sum of its proper divisors (8436872537908).

11221220102012 is a wasteful number, since it uses less digits than its factorization.

11221220102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993923060 (or 2993923058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11221220102012 its reverse (21020102212211), we get a palindrome (32241322314223).

The spelling of 11221220102012 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty million, one hundred two thousand, twelve".