2221121122202 has 16 divisors (see below), whose sum is σ = 3476569142592. Its totient is φ = 1062265622880.

The previous prime is 2221121122201. The next prime is 2221121122247. The reversal of 2221121122202 is 2022211211222.

It is not an unprimeable number, because it can be changed into a prime (2221121122201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9249677 + ... + 9486767.

It is an arithmetic number, because the mean of its divisors is an integer number (217285571412).

Almost surely, 2^{2221121122202} is an apocalyptic number.

2221121122202 is a deficient number, since it is larger than the sum of its proper divisors (1255448020390).

2221121122202 is a wasteful number, since it uses less digits than its factorization.

2221121122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440773.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2221121122202 its reverse (2022211211222), we get a palindrome (4243332333424).

The spelling of 2221121122202 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred two".