21110201021122 has 8 divisors (see below), whose sum is σ = 33331896349200. Its totient is φ = 9999568904724.

The previous prime is 21110201021099. The next prime is 21110201021153. The reversal of 21110201021122 is 22112010201112.

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 = 21110201021096 and 21110201021105.

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, 277765802872 + ... + 277765802947.

It is an arithmetic number, because the mean of its divisors is an integer number (4166487043650).

Almost surely, 2^{21110201021122} is an apocalyptic number.

21110201021122 is a deficient number, since it is larger than the sum of its proper divisors (12221695328078).

21110201021122 is a wasteful number, since it uses less digits than its factorization.

21110201021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555531605840.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21110201021122 its reverse (22112010201112), we get a palindrome (43222211222234).

The spelling of 21110201021122 in words is "twenty-one trillion, one hundred ten billion, two hundred one million, twenty-one thousand, one hundred twenty-two".