101122112209 has 4 divisors (see below), whose sum is σ = 101200930416. Its totient is φ = 101043294004.

The previous prime is 101122112207. The next prime is 101122112239. The reversal of 101122112209 is 902211221101.

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 101122112209 - 2¹ = 101122112207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101122112209.

It is not an unprimeable number, because it can be changed into a prime (101122112207) 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, 39407179 + ... + 39409744.

It is an arithmetic number, because the mean of its divisors is an integer number (25300232604).

Almost surely, 2^101122112209 is an apocalyptic number.

It is an amenable number.

101122112209 is a deficient number, since it is larger than the sum of its proper divisors (78818207).

101122112209 is an equidigital number, since it uses as much as digits as its factorization.

101122112209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78818206.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 101122112209 in words is "one hundred one billion, one hundred twenty-two million, one hundred twelve thousand, two hundred nine".