11121221020202 has 16 divisors (see below), whose sum is σ = 16818301399200. Its totient is φ = 5515198919280.

The previous prime is 11121221020201. The next prime is 11121221020207. The reversal of 11121221020202 is 20202012212111.

11121221020202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11121221020201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19306952 + ... + 19874627.

It is an arithmetic number, because the mean of its divisors is an integer number (1051143837450).

Almost surely, 2^{11121221020202} is an apocalyptic number.

11121221020202 is a deficient number, since it is larger than the sum of its proper divisors (5697080378998).

11121221020202 is a wasteful number, since it uses less digits than its factorization.

11121221020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39182741.

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

Adding to 11121221020202 its reverse (20202012212111), we get a palindrome (31323233232313).

The spelling of 11121221020202 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-one million, twenty thousand, two hundred two".