22110200110021 has 8 divisors (see below), whose sum is σ = 23082461364600. Its totient is φ = 21151928226240.

The previous prime is 22110200109983. The next prime is 22110200110043. The reversal of 22110200110021 is 12001100201122.

It can be written as a sum of positive squares in 4 ways, for example, as 12239852102500 + 9870348007521 = 3498550^2 + 3141711^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22110200110021 - 2¹¹ = 22110200107973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110200109983 and 22110200110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110200116021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3497339470 + ... + 3497345791.

It is an arithmetic number, because the mean of its divisors is an integer number (2885307670575).

Almost surely, 2^{22110200110021} is an apocalyptic number.

It is an amenable number.

22110200110021 is a deficient number, since it is larger than the sum of its proper divisors (972261254579).

22110200110021 is a wasteful number, since it uses less digits than its factorization.

22110200110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6994685399.

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

Adding to 22110200110021 its reverse (12001100201122), we get a palindrome (34111300311143).

The spelling of 22110200110021 in words is "twenty-two trillion, one hundred ten billion, two hundred million, one hundred ten thousand, twenty-one".