11102221221002 has 4 divisors (see below), whose sum is σ = 16653331831506. Its totient is φ = 5551110610500.

The previous prime is 11102221220903. The next prime is 11102221221019. The reversal of 11102221221002 is 20012212220111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10406746950601 + 695474270401 = 3225949^2 + 833951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775555305249 + ... + 2775555305252.

Almost surely, 2^{11102221221002} is an apocalyptic number.

11102221221002 is a deficient number, since it is larger than the sum of its proper divisors (5551110610504).

11102221221002 is an equidigital number, since it uses as much as digits as its factorization.

11102221221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551110610503.

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

Adding to 11102221221002 its reverse (20012212220111), we get a palindrome (31114433441113).

The spelling of 11102221221002 in words is "eleven trillion, one hundred two billion, two hundred twenty-one million, two hundred twenty-one thousand, two".