101122012222009 has 4 divisors (see below), whose sum is σ = 101122450451316. Its totient is φ = 101121573992704.

The previous prime is 101122012222003. The next prime is 101122012222031. The reversal of 101122012222009 is 900222210221101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29201486745600 + 71920525476409 = 5403840^2 + 8480597^2 .

It is a cyclic number.

It is not a de Polignac number, because 101122012222009 - 2²³ = 101122003833401 is a prime.

It is a super-2 number, since 2×101122012222009² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101122012222003) 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, 218768344 + ... + 219230089.

It is an arithmetic number, because the mean of its divisors is an integer number (25280612612829).

Almost surely, 2^{101122012222009} is an apocalyptic number.

It is an amenable number.

101122012222009 is a deficient number, since it is larger than the sum of its proper divisors (438229307).

101122012222009 is an equidigital number, since it uses as much as digits as its factorization.

101122012222009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438229306.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 101122012222009 in words is "one hundred one trillion, one hundred twenty-two billion, twelve million, two hundred twenty-two thousand, nine".