110200210121021 has 8 divisors (see below), whose sum is σ = 110261686421304. Its totient is φ = 110138737868800.

The previous prime is 110200210121003. The next prime is 110200210121041. The reversal of 110200210121021 is 120121012002011.

It can be written as a sum of positive squares in 4 ways, for example, as 57254358688921 + 52945851432100 = 7566661^2 + 7276390^2 .

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 110200210121021 - 2¹⁰ = 110200210119997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110200210120987 and 110200210121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110200210121041) 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, 54291005 + ... + 56284221.

It is an arithmetic number, because the mean of its divisors is an integer number (13782710802663).

Almost surely, 2^{110200210121021} is an apocalyptic number.

It is an amenable number.

110200210121021 is a deficient number, since it is larger than the sum of its proper divisors (61476300283).

110200210121021 is a wasteful number, since it uses less digits than its factorization.

110200210121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024031.

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

Adding to 110200210121021 its reverse (120121012002011), we get a palindrome (230321222123032).

The spelling of 110200210121021 in words is "one hundred ten trillion, two hundred billion, two hundred ten million, one hundred twenty-one thousand, twenty-one".