11111222020202 has 48 divisors (see below), whose sum is σ = 19447036424640. Its totient is φ = 4738235369472.

The previous prime is 11111222020189. The next prime is 11111222020247. The reversal of 11111222020202 is 20202022211111.

It is a super-2 number, since 2×11111222020202² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21742343 + ... + 22247514.

It is an arithmetic number, because the mean of its divisors is an integer number (405146592180).

Almost surely, 2^{11111222020202} is an apocalyptic number.

11111222020202 is a deficient number, since it is larger than the sum of its proper divisors (8335814404438).

11111222020202 is a wasteful number, since it uses less digits than its factorization.

11111222020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43989935 (or 43989918 counting only the distinct ones).

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

Adding to 11111222020202 its reverse (20202022211111), we get a palindrome (31313244231313).

The spelling of 11111222020202 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-two million, twenty thousand, two hundred two".