11221214331044 has 12 divisors (see below), whose sum is σ = 19637340611868. Its totient is φ = 5610545584800.

The previous prime is 11221214331023. The next prime is 11221214331059. The reversal of 11221214331044 is 44013341212211.

It can be written as a sum of positive squares in 2 ways, for example, as 8798864498944 + 2422349832100 = 2966288^2 + 1556390^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11221214330998 and 11221214331016.

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, 14983967 + ... + 15715014.

It is an arithmetic number, because the mean of its divisors is an integer number (1636445050989).

Almost surely, 2^{11221214331044} is an apocalyptic number.

It is an amenable number.

11221214331044 is a deficient number, since it is larger than the sum of its proper divisors (8416126280824).

11221214331044 is a wasteful number, since it uses less digits than its factorization.

11221214331044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30790366 (or 30790364 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 11221214331044 its reverse (44013341212211), we get a palindrome (55234555543255).

The spelling of 11221214331044 in words is "eleven trillion, two hundred twenty-one billion, two hundred fourteen million, three hundred thirty-one thousand, forty-four".