21110211100022 has 8 divisors (see below), whose sum is σ = 34543981800072. Its totient is φ = 9595550500000.

The previous prime is 21110211100019. The next prime is 21110211100079. The reversal of 21110211100022 is 22000111201112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479777524979 + ... + 479777525022.

It is an arithmetic number, because the mean of its divisors is an integer number (4317997725009).

Almost surely, 2^{21110211100022} is an apocalyptic number.

21110211100022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21110211100022 is a deficient number, since it is larger than the sum of its proper divisors (13433770700050).

21110211100022 is a wasteful number, since it uses less digits than its factorization.

21110211100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959555050014.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21110211100022 its reverse (22000111201112), we get a palindrome (43110322301134).

The spelling of 21110211100022 in words is "twenty-one trillion, one hundred ten billion, two hundred eleven million, one hundred thousand, twenty-two".