2211222202202 has 16 divisors (see below), whose sum is σ = 3577378249032. Its totient is φ = 1019020115520.

The previous prime is 2211222202201. The next prime is 2211222202219. The reversal of 2211222202202 is 2022022221122.

It can be written as a sum of positive squares in 4 ways, for example, as 1812580235041 + 398641967161 = 1346321^2 + 631381^2 .

It is a super-2 number, since 2×2211222202202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211222202201) 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, 64314893 + ... + 64349264.

Almost surely, 2^{2211222202202} is an apocalyptic number.

2211222202202 is a deficient number, since it is larger than the sum of its proper divisors (1366156046830).

2211222202202 is a wasteful number, since it uses less digits than its factorization.

2211222202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128664833.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2211222202202 its reverse (2022022221122), we get a palindrome (4233244423324).

The spelling of 2211222202202 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred two thousand, two hundred two".