101121220122209 has 12 divisors (see below), whose sum is σ = 117630984389184. Its totient is φ = 86675200885224.

The previous prime is 101121220122199. The next prime is 101121220122239. The reversal of 101121220122209 is 902221022121101.

It is not a de Polignac number, because 101121220122209 - 2⁴ = 101121220122193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101121220122239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45925412 + ... + 48076874.

It is an arithmetic number, because the mean of its divisors is an integer number (9802582032432).

Almost surely, 2^{101121220122209} is an apocalyptic number.

It is an amenable number.

101121220122209 is a deficient number, since it is larger than the sum of its proper divisors (16509764266975).

101121220122209 is an equidigital number, since it uses as much as digits as its factorization.

101121220122209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110684 (or 3110677 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 101121220122209 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, two hundred nine".