2221110122202 has 48 divisors (see below), whose sum is σ = 4863311107200. Its totient is φ = 732579487200.

The previous prime is 2221110122191. The next prime is 2221110122207. The reversal of 2221110122202 is 2022210111222.

It is a happy number.

It is a super-3 number, since 3×2221110122202³ (a number of 38 digits) contains 333 as substring.

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 (2221110122207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1064574 + ... + 2361257.

It is an arithmetic number, because the mean of its divisors is an integer number (101318981400).

Almost surely, 2^{2221110122202} is an apocalyptic number.

2221110122202 is an abundant number, since it is smaller than the sum of its proper divisors (2642200984998).

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

2221110122202 is a wasteful number, since it uses less digits than its factorization.

2221110122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426219 (or 3426216 counting only the distinct ones).

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

Adding to 2221110122202 its reverse (2022210111222), we get a palindrome (4243320233424).

The spelling of 2221110122202 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, one hundred twenty-two thousand, two hundred two".