11221021022012 has 6 divisors (see below), whose sum is σ = 19636786788528. Its totient is φ = 5610510511004.

The previous prime is 11221021022009. The next prime is 11221021022027. The reversal of 11221021022012 is 21022012012211.

It is a super-2 number, since 2×11221021022012² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1402627627748 + ... + 1402627627755.

It is an arithmetic number, because the mean of its divisors is an integer number (3272797798088).

Almost surely, 2^{11221021022012} is an apocalyptic number.

It is an amenable number.

11221021022012 is a deficient number, since it is larger than the sum of its proper divisors (8415765766516).

11221021022012 is a wasteful number, since it uses less digits than its factorization.

11221021022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805255255507 (or 2805255255505 counting only the distinct ones).

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

Adding to 11221021022012 its reverse (21022012012211), we get a palindrome (32243033034223).

The spelling of 11221021022012 in words is "eleven trillion, two hundred twenty-one billion, twenty-one million, twenty-two thousand, twelve".