11121021220202 has 16 divisors (see below), whose sum is σ = 16959799260072. Its totient is φ = 5467806409920.

The previous prime is 11121021220187. The next prime is 11121021220247. The reversal of 11121021220202 is 20202212012111.

It can be written as a sum of positive squares in 4 ways, for example, as 6728270519881 + 4392750700321 = 2593891^2 + 2095889^2 .

It is a super-2 number, since 2×11121021220202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12469613 + ... + 13331664.

Almost surely, 2^{11121021220202} is an apocalyptic number.

11121021220202 is a deficient number, since it is larger than the sum of its proper divisors (5838778039870).

11121021220202 is a wasteful number, since it uses less digits than its factorization.

11121021220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25804873.

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

Adding to 11121021220202 its reverse (20202212012111), we get a palindrome (31323233232313).

The spelling of 11121021220202 in words is "eleven trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty thousand, two hundred two".