110200101112121 has 4 divisors (see below), whose sum is σ = 111291191222244. Its totient is φ = 109109011002000.

The previous prime is 110200101112093. The next prime is 110200101112177. The reversal of 110200101112121 is 121211101002011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107147113713721 + 3052987398400 = 10351189^2 + 1747280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110200101112121 is a prime.

It is a super-2 number, since 2×110200101112121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110200101112096 and 110200101112105.

It is not an unprimeable number, because it can be changed into a prime (110200101112421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545545054910 + ... + 545545055111.

It is an arithmetic number, because the mean of its divisors is an integer number (27822797805561).

Almost surely, 2^{110200101112121} is an apocalyptic number.

It is an amenable number.

110200101112121 is a deficient number, since it is larger than the sum of its proper divisors (1091090110123).

110200101112121 is a wasteful number, since it uses less digits than its factorization.

110200101112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091090110122.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 110200101112121 its reverse (121211101002011), we get a palindrome (231411202114132).

The spelling of 110200101112121 in words is "one hundred ten trillion, two hundred billion, one hundred one million, one hundred twelve thousand, one hundred twenty-one".