21011122230122 has 8 divisors (see below), whose sum is σ = 31692754202400. Its totient is φ = 10446870829324.

The previous prime is 21011122230121. The next prime is 21011122230139. The reversal of 21011122230122 is 22103222111012.

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 = 21011122230094 and 21011122230103.

It is not an unprimeable number, because it can be changed into a prime (21011122230121) by changing a digit.

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, 29345142422 + ... + 29345143137.

It is an arithmetic number, because the mean of its divisors is an integer number (3961594275300).

Almost surely, 2^{21011122230122} is an apocalyptic number.

21011122230122 is a deficient number, since it is larger than the sum of its proper divisors (10681631972278).

21011122230122 is a wasteful number, since it uses less digits than its factorization.

21011122230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58690285740.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 21011122230122 its reverse (22103222111012), we get a palindrome (43114344341134).

The spelling of 21011122230122 in words is "twenty-one trillion, eleven billion, one hundred twenty-two million, two hundred thirty thousand, one hundred twenty-two".