11211221010202 has 8 divisors (see below), whose sum is σ = 17396722257300. Its totient is φ = 5412313591104.

The previous prime is 11211221010131. The next prime is 11211221010211. The reversal of 11211221010202 is 20201012211211.

It can be written as a sum of positive squares in 2 ways, for example, as 10765492528561 + 445728481641 = 3281081^2 + 667629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96648456927 + ... + 96648457042.

Almost surely, 2^{11211221010202} is an apocalyptic number.

11211221010202 is a deficient number, since it is larger than the sum of its proper divisors (6185501247098).

11211221010202 is a wasteful number, since it uses less digits than its factorization.

11211221010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193296914000.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11211221010202 its reverse (20201012211211), we get a palindrome (31412233221413).

The spelling of 11211221010202 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-one million, ten thousand, two hundred two".