21000114302122 has 4 divisors (see below), whose sum is σ = 31500171453186. Its totient is φ = 10500057151060.

The previous prime is 21000114302113. The next prime is 21000114302171. The reversal of 21000114302122 is 22120341100012.

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., 20998014004881 + 2100297241 = 4582359^2 + 45829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21000114302122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5250028575529 + ... + 5250028575532.

Almost surely, 2^{21000114302122} is an apocalyptic number.

21000114302122 is a deficient number, since it is larger than the sum of its proper divisors (10500057151064).

21000114302122 is a wasteful number, since it uses less digits than its factorization.

21000114302122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500057151063.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21000114302122 its reverse (22120341100012), we get a palindrome (43120455402134).

The spelling of 21000114302122 in words is "twenty-one trillion, one hundred fourteen million, three hundred two thousand, one hundred twenty-two".