101110110121 has 4 divisors (see below), whose sum is σ = 101503534932. Its totient is φ = 100716685312.

The previous prime is 101110110097. The next prime is 101110110139. The reversal of 101110110121 is 121011011101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121011011101 = 421 ⋅287437081.

It can be written as a sum of positive squares in 2 ways, for example, as 91494150400 + 9615959721 = 302480^2 + 98061^2 .

It is a cyclic number.

It is not a de Polignac number, because 101110110121 - 2¹⁷ = 101109979049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101110110098 and 101110110107.

It is not an unprimeable number, because it can be changed into a prime (101110110161) 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, 196712020 + ... + 196712533.

It is an arithmetic number, because the mean of its divisors is an integer number (25375883733).

Almost surely, 2^101110110121 is an apocalyptic number.

It is an amenable number.

101110110121 is a deficient number, since it is larger than the sum of its proper divisors (393424811).

101110110121 is an equidigital number, since it uses as much as digits as its factorization.

101110110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393424810.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 101110110121 its reverse (121011011101), we get a palindrome (222121121222).

The spelling of 101110110121 in words is "one hundred one billion, one hundred ten million, one hundred ten thousand, one hundred twenty-one".