11021110121002 has 4 divisors (see below), whose sum is σ = 16531665181506. Its totient is φ = 5510555060500.

The previous prime is 11021110120963. The next prime is 11021110121011. The reversal of 11021110121002 is 20012101112011.

It is a happy number.

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., 9694810095201 + 1326300025801 = 3113649^2 + 1151651^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755277530249 + ... + 2755277530252.

Almost surely, 2^{11021110121002} is an apocalyptic number.

11021110121002 is a deficient number, since it is larger than the sum of its proper divisors (5510555060504).

11021110121002 is an equidigital number, since it uses as much as digits as its factorization.

11021110121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510555060503.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11021110121002 its reverse (20012101112011), we get a palindrome (31033211233013).

The spelling of 11021110121002 in words is "eleven trillion, twenty-one billion, one hundred ten million, one hundred twenty-one thousand, two".