110102000021 has 8 divisors (see below), whose sum is σ = 118602963864. Its totient is φ = 101605547520.

The previous prime is 110102000009. The next prime is 110102000027. The reversal of 110102000021 is 120000201011.

It can be written as a sum of positive squares in 4 ways, for example, as 176597521 + 109925402500 = 13289^2 + 331550^2 .

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 110102000021 - 2¹⁸ = 110101737877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110101999972 and 110102000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102000027) 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, 1077056 + ... + 1174841.

It is an arithmetic number, because the mean of its divisors is an integer number (14825370483).

Almost surely, 2^110102000021 is an apocalyptic number.

It is an amenable number.

110102000021 is a deficient number, since it is larger than the sum of its proper divisors (8500963843).

110102000021 is a wasteful number, since it uses less digits than its factorization.

110102000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255671.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 110102000021 its reverse (120000201011), we get a palindrome (230102201032).

The spelling of 110102000021 in words is "one hundred ten billion, one hundred two million, twenty-one", and thus it is an aban number.