100120012220209 has 4 divisors (see below), whose sum is σ = 101055713269104. Its totient is φ = 99184311171316.

The previous prime is 100120012220191. The next prime is 100120012220219. The reversal of 100120012220209 is 902022210021001.

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-100120012220209 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 100120012220209.

It is not an unprimeable number, because it can be changed into a prime (100120012220219) 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, 467850524287 + ... + 467850524500.

It is an arithmetic number, because the mean of its divisors is an integer number (25263928317276).

Almost surely, 2^{100120012220209} is an apocalyptic number.

It is an amenable number.

100120012220209 is a deficient number, since it is larger than the sum of its proper divisors (935701048895).

100120012220209 is an equidigital number, since it uses as much as digits as its factorization.

100120012220209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935701048894.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 100120012220209 in words is "one hundred trillion, one hundred twenty billion, twelve million, two hundred twenty thousand, two hundred nine".