2221011122202 has 24 divisors (see below), whose sum is σ = 4873104575040. Its totient is φ = 730965685320.

The previous prime is 2221011122191. The next prime is 2221011122203. The reversal of 2221011122202 is 2022211101222.

It is a happy number.

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 (2221011122203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780944824 + ... + 780947667.

It is an arithmetic number, because the mean of its divisors is an integer number (203046023960).

Almost surely, 2^{2221011122202} is an apocalyptic number.

2221011122202 is an abundant number, since it is smaller than the sum of its proper divisors (2652093452838).

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

2221011122202 is a wasteful number, since it uses less digits than its factorization.

2221011122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561892578 (or 1561892575 counting only the distinct ones).

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

Adding to 2221011122202 its reverse (2022211101222), we get a palindrome (4243222223424).

The spelling of 2221011122202 in words is "two trillion, two hundred twenty-one billion, eleven million, one hundred twenty-two thousand, two hundred two".