110200212121 has 4 divisors (see below), whose sum is σ = 110207101492. Its totient is φ = 110193322752.

The previous prime is 110200212037. The next prime is 110200212137. The reversal of 110200212121 is 121212002011.

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 8129546896 + 102070665225 = 90164^2 + 319485^2 .

It is a cyclic number.

It is not a de Polignac number, because 110200212121 - 2³¹ = 108052728473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110200215121) 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, 3420636 + ... + 3452701.

It is an arithmetic number, because the mean of its divisors is an integer number (27551775373).

Almost surely, 2^110200212121 is an apocalyptic number.

It is an amenable number.

110200212121 is a deficient number, since it is larger than the sum of its proper divisors (6889371).

110200212121 is an equidigital number, since it uses as much as digits as its factorization.

110200212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889370.

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

Adding to 110200212121 its reverse (121212002011), we get a palindrome (231412214132).

The spelling of 110200212121 in words is "one hundred ten billion, two hundred million, two hundred twelve thousand, one hundred twenty-one".