21010014042122 has 32 divisors (see below), whose sum is σ = 36754276003200. Its totient is φ = 9003785844480.

The previous prime is 21010014042109. The next prime is 21010014042137. The reversal of 21010014042122 is 22124041001012.

It is a super-3 number, since 3×21010014042122³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21010014042094 and 21010014042103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11487722 + ... + 13190442.

It is an arithmetic number, because the mean of its divisors is an integer number (1148571125100).

Almost surely, 2^{21010014042122} is an apocalyptic number.

21010014042122 is a deficient number, since it is larger than the sum of its proper divisors (15744261961078).

21010014042122 is a wasteful number, since it uses less digits than its factorization.

21010014042122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720731 (or 1720717 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 21010014042122 its reverse (22124041001012), we get a palindrome (43134055043134).

The spelling of 21010014042122 in words is "twenty-one trillion, ten billion, fourteen million, forty-two thousand, one hundred twenty-two".