11021021221202 has 4 divisors (see below), whose sum is σ = 16531531831806. Its totient is φ = 5510510610600.

The previous prime is 11021021221127. The next prime is 11021021221247. The reversal of 11021021221202 is 20212212012011.

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., 10898905219801 + 122116001401 = 3301349^2 + 349451^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755255305299 + ... + 2755255305302.

Almost surely, 2^{11021021221202} is an apocalyptic number.

11021021221202 is a deficient number, since it is larger than the sum of its proper divisors (5510510610604).

11021021221202 is an equidigital number, since it uses as much as digits as its factorization.

11021021221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510510610603.

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

Adding to 11021021221202 its reverse (20212212012011), we get a palindrome (31233233233213).

The spelling of 11021021221202 in words is "eleven trillion, twenty-one billion, twenty-one million, two hundred twenty-one thousand, two hundred two".