21120011112022 has 8 divisors (see below), whose sum is σ = 31680082223496. Its totient is φ = 10559983704192.

The previous prime is 21120011111999. The next prime is 21120011112037. The reversal of 21120011112022 is 22021111002112.

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 = 21120011111987 and 21120011112005.

It is a congruent number.

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, 9689803 + ... + 11667574.

It is an arithmetic number, because the mean of its divisors is an integer number (3960010277937).

Almost surely, 2^{21120011112022} is an apocalyptic number.

21120011112022 is a deficient number, since it is larger than the sum of its proper divisors (10560071111474).

21120011112022 is a wasteful number, since it uses less digits than its factorization.

21120011112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21851822.

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

Adding to 21120011112022 its reverse (22021111002112), we get a palindrome (43141122114134).

The spelling of 21120011112022 in words is "twenty-one trillion, one hundred twenty billion, eleven million, one hundred twelve thousand, twenty-two".