21120100110022 has 8 divisors (see below), whose sum is σ = 31680183222576. Its totient is φ = 10560039035832.

The previous prime is 21120100110013. The next prime is 21120100110029. The reversal of 21120100110022 is 22001100102112.

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 = 21120100109984 and 21120100110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21120100110029) 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, 2858658 + ... + 7100149.

It is an arithmetic number, because the mean of its divisors is an integer number (3960022902822).

Almost surely, 2^{21120100110022} is an apocalyptic number.

21120100110022 is a deficient number, since it is larger than the sum of its proper divisors (10560083112554).

21120100110022 is a wasteful number, since it uses less digits than its factorization.

21120100110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11019182.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21120100110022 its reverse (22001100102112), we get a palindrome (43121200212134).

The spelling of 21120100110022 in words is "twenty-one trillion, one hundred twenty billion, one hundred million, one hundred ten thousand, twenty-two".