110102200010021 has 12 divisors (see below), whose sum is σ = 114493094322156. Its totient is φ = 105871850285760.

The previous prime is 110102200010009. The next prime is 110102200010041. The reversal of 110102200010021 is 120010002201011.

It can be written as a sum of positive squares in 2 ways, for example, as 58917690717796 + 51184509292225 = 7675786^2 + 7154335^2 .

It is not a de Polignac number, because 110102200010021 - 2³⁰ = 110101126268197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110102200009984 and 110102200010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110102200010041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364723160 + ... + 365024913.

It is an arithmetic number, because the mean of its divisors is an integer number (9541091193513).

Almost surely, 2^{110102200010021} is an apocalyptic number.

It is an amenable number.

110102200010021 is a deficient number, since it is larger than the sum of its proper divisors (4390894312135).

110102200010021 is an equidigital number, since it uses as much as digits as its factorization.

110102200010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729748292 (or 729748261 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110102200010021 its reverse (120010002201011), we get a palindrome (230112202211032).

The spelling of 110102200010021 in words is "one hundred ten trillion, one hundred two billion, two hundred million, ten thousand, twenty-one".