101110122021 has 4 divisors (see below), whose sum is σ = 134813496032. Its totient is φ = 67406748012.

The previous prime is 101110121971. The next prime is 101110122023. The reversal of 101110122021 is 120221011101.

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 not a de Polignac number, because 101110122021 - 2²⁹ = 100573251109 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 = 101110121988 and 101110122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101110122023) 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, 16851687001 + ... + 16851687006.

It is an arithmetic number, because the mean of its divisors is an integer number (33703374008).

Almost surely, 2^101110122021 is an apocalyptic number.

It is an amenable number.

101110122021 is a deficient number, since it is larger than the sum of its proper divisors (33703374011).

101110122021 is an equidigital number, since it uses as much as digits as its factorization.

101110122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33703374010.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101110122021 its reverse (120221011101), we get a palindrome (221331133122).

The spelling of 101110122021 in words is "one hundred one billion, one hundred ten million, one hundred twenty-two thousand, twenty-one".