1022102212202 has 4 divisors (see below), whose sum is σ = 1533153318306. Its totient is φ = 511051106100.

The previous prime is 1022102212169. The next prime is 1022102212207. The reversal of 1022102212202 is 2022122012201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 821943505321 + 200158706881 = 906611^2 + 447391^2 .

It is not an unprimeable number, because it can be changed into a prime (1022102212207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255525553049 + ... + 255525553052.

Almost surely, 2^{1022102212202} is an apocalyptic number.

1022102212202 is a deficient number, since it is larger than the sum of its proper divisors (511051106104).

1022102212202 is an equidigital number, since it uses as much as digits as its factorization.

1022102212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511051106103.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1022102212202 its reverse (2022122012201), we get a palindrome (3044224224403).

The spelling of 1022102212202 in words is "one trillion, twenty-two billion, one hundred two million, two hundred twelve thousand, two hundred two".