111222220202022 has 64 divisors (see below), whose sum is σ = 228908113056000. Its totient is φ = 36000765581184.

The previous prime is 111222220202021. The next prime is 111222220202047. The reversal of 111222220202022 is 220202022222111.

It is a self number, because there is not a number n which added to its sum of digits gives 111222220202022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222220202021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3308888088 + ... + 3308921700.

It is an arithmetic number, because the mean of its divisors is an integer number (3576689266500).

Almost surely, 2^{111222220202022} is an apocalyptic number.

111222220202022 is an abundant number, since it is smaller than the sum of its proper divisors (117685892853978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111222220202022 is a wasteful number, since it uses less digits than its factorization.

111222220202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62677.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 111222220202022 its reverse (220202022222111), we get a palindrome (331424242424133).

The spelling of 111222220202022 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred twenty million, two hundred two thousand, twenty-two".