101200121202109 has 4 divisors (see below), whose sum is σ = 101206676054080. Its totient is φ = 101193566350140.

The previous prime is 101200121202091. The next prime is 101200121202133. The reversal of 101200121202109 is 901202121002101.

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 101200121202109 - 2¹⁷ = 101200121071037 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 101200121202109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101200121200109) 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, 3277402827 + ... + 3277433704.

It is an arithmetic number, because the mean of its divisors is an integer number (25301669013520).

Almost surely, 2^{101200121202109} is an apocalyptic number.

It is an amenable number.

101200121202109 is a deficient number, since it is larger than the sum of its proper divisors (6554851971).

101200121202109 is an equidigital number, since it uses as much as digits as its factorization.

101200121202109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554851970.

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

The spelling of 101200121202109 in words is "one hundred one trillion, two hundred billion, one hundred twenty-one million, two hundred two thousand, one hundred nine".