110202101102021 has 8 divisors (see below), whose sum is σ = 116684703356184. Its totient is φ = 103719512816640.

The previous prime is 110202101102017. The next prime is 110202101102029. The reversal of 110202101102021 is 120201101202011.

It can be written as a sum of positive squares in 4 ways, for example, as 71611976812996 + 38590124289025 = 8462386^2 + 6212095^2 .

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 110202101102021 - 2² = 110202101102017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110202101101987 and 110202101102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110202101102029) 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, 15793181 + ... + 21675533.

It is an arithmetic number, because the mean of its divisors is an integer number (14585587919523).

Almost surely, 2^{110202101102021} is an apocalyptic number.

It is an amenable number.

110202101102021 is a deficient number, since it is larger than the sum of its proper divisors (6482602254163).

110202101102021 is a wasteful number, since it uses less digits than its factorization.

110202101102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984391.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110202101102021 its reverse (120201101202011), we get a palindrome (230403202304032).

The spelling of 110202101102021 in words is "one hundred ten trillion, two hundred two billion, one hundred one million, one hundred two thousand, twenty-one".