11210110121 has 4 divisors (see below), whose sum is σ = 12811554432. Its totient is φ = 9608665812.

The previous prime is 11210110099. The next prime is 11210110129. The reversal of 11210110121 is 12101101211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11210110121 - 2⁶ = 11210110057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11210110129) 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, 800722145 + ... + 800722158.

It is an arithmetic number, because the mean of its divisors is an integer number (3202888608).

Almost surely, 2^11210110121 is an apocalyptic number.

It is an amenable number.

11210110121 is a deficient number, since it is larger than the sum of its proper divisors (1601444311).

11210110121 is an equidigital number, since it uses as much as digits as its factorization.

11210110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601444310.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11210110121 its reverse (12101101211), we get a palindrome (23311211332).

The spelling of 11210110121 in words is "eleven billion, two hundred ten million, one hundred ten thousand, one hundred twenty-one".