10202221121122 has 8 divisors (see below), whose sum is σ = 15512966362476. Its totient is φ = 5031232333632.

The previous prime is 10202221121101. The next prime is 10202221121159. The reversal of 10202221121122 is 22112112220201.

It can be written as a sum of positive squares in 2 ways, for example, as 10034456333841 + 167764787281 = 3167721^2 + 409591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10202221121122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34939113283 + ... + 34939113574.

Almost surely, 2^{10202221121122} is an apocalyptic number.

10202221121122 is a deficient number, since it is larger than the sum of its proper divisors (5310745241354).

10202221121122 is an equidigital number, since it uses as much as digits as its factorization.

10202221121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69878226932.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10202221121122 its reverse (22112112220201), we get a palindrome (32314333341323).

The spelling of 10202221121122 in words is "ten trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".