110122200220021 has 16 divisors (see below), whose sum is σ = 120468130171200. Its totient is φ = 99832294091520.

The previous prime is 110122200220009. The next prime is 110122200220069. The reversal of 110122200220021 is 120022002221011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 110122200220021 - 2³⁵ = 110087840481653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110122200219977 and 110122200220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110122200220091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4490071 + ... + 15505003.

It is an arithmetic number, because the mean of its divisors is an integer number (7529258135700).

Almost surely, 2^{110122200220021} is an apocalyptic number.

110122200220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110122200220021 is a deficient number, since it is larger than the sum of its proper divisors (10345929951179).

110122200220021 is a wasteful number, since it uses less digits than its factorization.

110122200220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017476.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 110122200220021 its reverse (120022002221011), we get a palindrome (230144202441032).

The spelling of 110122200220021 in words is "one hundred ten trillion, one hundred twenty-two billion, two hundred million, two hundred twenty thousand, twenty-one".