102221011020122 has 8 divisors (see below), whose sum is σ = 154178651981172. Its totient is φ = 50828127026400.

The previous prime is 102221011020119. The next prime is 102221011020143. The reversal of 102221011020122 is 221020110122201.

It can be written as a sum of positive squares in 2 ways, for example, as 97348789169401 + 4872221850721 = 9866549^2 + 2207311^2 .

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 102221011020122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141189241379 + ... + 141189242102.

Almost surely, 2^{102221011020122} is an apocalyptic number.

102221011020122 is a deficient number, since it is larger than the sum of its proper divisors (51957640961050).

102221011020122 is a wasteful number, since it uses less digits than its factorization.

102221011020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282378483664.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102221011020122 its reverse (221020110122201), we get a palindrome (323241121142323).

The spelling of 102221011020122 in words is "one hundred two trillion, two hundred twenty-one billion, eleven million, twenty thousand, one hundred twenty-two".