2211122100202 has 16 divisors (see below), whose sum is σ = 3453275866824. Its totient is φ = 1060914240000.

The previous prime is 2211122100167. The next prime is 2211122100203. The reversal of 2211122100202 is 2020012211122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 761359208481 + 1449762891721 = 872559^2 + 1204061^2 .

It is not an unprimeable number, because it can be changed into a prime (2211122100203) 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, 221018799 + ... + 221028802.

Almost surely, 2^{2211122100202} is an apocalyptic number.

2211122100202 is a deficient number, since it is larger than the sum of its proper divisors (1242153766622).

2211122100202 is a wasteful number, since it uses less digits than its factorization.

2211122100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442047705.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2211122100202 its reverse (2020012211122), we get a palindrome (4231134311324).

The spelling of 2211122100202 in words is "two trillion, two hundred eleven billion, one hundred twenty-two million, one hundred thousand, two hundred two".