102122121021122 has 8 divisors (see below), whose sum is σ = 153188959274316. Its totient is φ = 51059134596352.

The previous prime is 102122121021119. The next prime is 102122121021169. The reversal of 102122121021122 is 221120121221201.

It can be written as a sum of positive squares in 2 ways, for example, as 91990752974761 + 10131368046361 = 9591181^2 + 3182981^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 102122121021094 and 102122121021103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962890823 + ... + 962996874.

Almost surely, 2^{102122121021122} is an apocalyptic number.

102122121021122 is a deficient number, since it is larger than the sum of its proper divisors (51066838253194).

102122121021122 is a wasteful number, since it uses less digits than its factorization.

102122121021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925914212.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102122121021122 its reverse (221120121221201), we get a palindrome (323242242242323).

The spelling of 102122121021122 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty-one thousand, one hundred twenty-two".