2220111122202 has 72 divisors (see below), whose sum is σ = 5094528110100. Its totient is φ = 697901508864.

The previous prime is 2220111122107. The next prime is 2220111122209. The reversal of 2220111122202 is 2022211110222.

It is a happy number.

2220111122202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2188923209001 + 31187913201 = 1479501^2 + 176601^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2220111122209) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 184927 + ... + 2115282.

Almost surely, 2^{2220111122202} is an apocalyptic number.

2220111122202 is an abundant number, since it is smaller than the sum of its proper divisors (2874416987898).

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

2220111122202 is a wasteful number, since it uses less digits than its factorization.

2220111122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300332 (or 2300286 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2220111122202 its reverse (2022211110222), we get a palindrome (4242322232424).

The spelling of 2220111122202 in words is "two trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand, two hundred two".