11221112220002 has 16 divisors (see below), whose sum is σ = 18436310139960. Its totient is φ = 5098436383488.

The previous prime is 11221112219987. The next prime is 11221112220011. The reversal of 11221112220002 is 20002221112211.

It can be written as a sum of positive squares in 4 ways, for example, as 10963575254641 + 257536965361 = 3311129^2 + 507481^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5690218193 + ... + 5690220164.

Almost surely, 2^{11221112220002} is an apocalyptic number.

11221112220002 is a deficient number, since it is larger than the sum of its proper divisors (7215197919958).

11221112220002 is a wasteful number, since it uses less digits than its factorization.

11221112220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11380438405.

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

Adding to 11221112220002 its reverse (20002221112211), we get a palindrome (31223333332213).

The spelling of 11221112220002 in words is "eleven trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, two".