1022211122202 has 48 divisors (see below), whose sum is σ = 2220582463008. Its totient is φ = 339846930720.

The previous prime is 1022211122167. The next prime is 1022211122209. The reversal of 1022211122202 is 2022211122201.

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 (1022211122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13641177 + ... + 13715907.

It is an arithmetic number, because the mean of its divisors is an integer number (46262134646).

Almost surely, 2^{1022211122202} is an apocalyptic number.

1022211122202 is an abundant number, since it is smaller than the sum of its proper divisors (1198371340806).

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

1022211122202 is a wasteful number, since it uses less digits than its factorization.

1022211122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76715 (or 76712 counting only the distinct ones).

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

Adding to 1022211122202 its reverse (2022211122201), we get a palindrome (3044422244403).

Subtracting 1022211122202 from its reverse (2022211122201), we obtain a palindrome (999999999999).

The spelling of 1022211122202 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred two".