120101122109 has 4 divisors (see below), whose sum is σ = 120102868704. Its totient is φ = 120099375516.

The previous prime is 120101122103. The next prime is 120101122133. The reversal of 120101122109 is 901221101021.

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 a de Polignac number, because none of the positive numbers 2^k-120101122109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120101122103) 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, 765737 + ... + 909150.

It is an arithmetic number, because the mean of its divisors is an integer number (30025717176).

Almost surely, 2^120101122109 is an apocalyptic number.

It is an amenable number.

120101122109 is a deficient number, since it is larger than the sum of its proper divisors (1746595).

120101122109 is an equidigital number, since it uses as much as digits as its factorization.

120101122109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746594.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 120101122109 in words is "one hundred twenty billion, one hundred one million, one hundred twenty-two thousand, one hundred nine".