11221112221412 has 12 divisors (see below), whose sum is σ = 19637199344700. Its totient is φ = 5610483837216.

The previous prime is 11221112221409. The next prime is 11221112221441. The reversal of 11221112221412 is 21412221112211.

11221112221412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4861566370816 + 6359545850596 = 2204896^2 + 2521814^2 .

It is a super-2 number, since 2×11221112221412² (a number of 27 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 17718287 + ... + 18340662.

It is an arithmetic number, because the mean of its divisors is an integer number (1636433278725).

Almost surely, 2^{11221112221412} is an apocalyptic number.

It is an amenable number.

11221112221412 is a deficient number, since it is larger than the sum of its proper divisors (8416087123288).

11221112221412 is a wasteful number, since it uses less digits than its factorization.

11221112221412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36136750 (or 36136748 counting only the distinct ones).

The product of its digits is 256, while the sum is 23.

Adding to 11221112221412 its reverse (21412221112211), we get a palindrome (32633333333623).

The spelling of 11221112221412 in words is "eleven trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, four hundred twelve".