101112120221 has 4 divisors (see below), whose sum is σ = 115556708832. Its totient is φ = 86667531612.

The previous prime is 101112120181. The next prime is 101112120227. The reversal of 101112120221 is 122021211101.

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 101112120221 - 2¹⁴ = 101112103837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101112120196 and 101112120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112120227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7222294295 + ... + 7222294308.

It is an arithmetic number, because the mean of its divisors is an integer number (28889177208).

Almost surely, 2^101112120221 is an apocalyptic number.

It is an amenable number.

101112120221 is a deficient number, since it is larger than the sum of its proper divisors (14444588611).

101112120221 is an equidigital number, since it uses as much as digits as its factorization.

101112120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444588610.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101112120221 its reverse (122021211101), we get a palindrome (223133331322).

The spelling of 101112120221 in words is "one hundred one billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty-one".