110010202102021 has 8 divisors (see below), whose sum is σ = 119157337628280. Its totient is φ = 100960896902592.

The previous prime is 110010202101949. The next prime is 110010202102067. The reversal of 110010202102021 is 120201202010011.

It can be written as a sum of positive squares in 4 ways, for example, as 55102250301921 + 54907951800100 = 7423089^2 + 7409990^2 .

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 110010202102021 - 2²¹ = 110010200004869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110010202101992 and 110010202102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110010202102081) 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, 24457579366 + ... + 24457583863.

It is an arithmetic number, because the mean of its divisors is an integer number (14894667203535).

Almost surely, 2^{110010202102021} is an apocalyptic number.

It is an amenable number.

110010202102021 is a deficient number, since it is larger than the sum of its proper divisors (9147135526259).

110010202102021 is a wasteful number, since it uses less digits than its factorization.

110010202102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48915163415.

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

Adding to 110010202102021 its reverse (120201202010011), we get a palindrome (230211404112032).

The spelling of 110010202102021 in words is "one hundred ten trillion, ten billion, two hundred two million, one hundred two thousand, twenty-one".