11221021112012 has 12 divisors (see below), whose sum is σ = 19640627542536. Its totient is φ = 5609413242720.

The previous prime is 11221021111991. The next prime is 11221021112023. The reversal of 11221021112012 is 21021112012211.

11221021112012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11221021112012² (a number of 27 digits) contains 22 as substring.

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, 274305314 + ... + 274346217.

It is an arithmetic number, because the mean of its divisors is an integer number (1636718961878).

Almost surely, 2^{11221021112012} is an apocalyptic number.

It is an amenable number.

11221021112012 is a deficient number, since it is larger than the sum of its proper divisors (8419606430524).

11221021112012 is a wasteful number, since it uses less digits than its factorization.

11221021112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548656648 (or 548656646 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11221021112012 its reverse (21021112012211), we get a palindrome (32242133124223).

The spelling of 11221021112012 in words is "eleven trillion, two hundred twenty-one billion, twenty-one million, one hundred twelve thousand, twelve".