2221111130202 has 144 divisors (see below), whose sum is σ = 5073104548512. Its totient is φ = 701927130240.

The previous prime is 2221111130201. The next prime is 2221111130237. The reversal of 2221111130202 is 2020311111222.

2221111130202 is a `hidden beast` number, since 2 + 221 + 111 + 130 + 202 = 666.

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 (2221111130201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 488476093 + ... + 488480639.

It is an arithmetic number, because the mean of its divisors is an integer number (35229892698).

Almost surely, 2^{2221111130202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221111130202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2536552274256).

2221111130202 is an abundant number, since it is smaller than the sum of its proper divisors (2851993418310).

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

2221111130202 is a wasteful number, since it uses less digits than its factorization.

2221111130202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2221111130202 its reverse (2020311111222), we get a palindrome (4241422241424).

The spelling of 2221111130202 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred thirty thousand, two hundred two".