100120021011109 has 4 divisors (see below), whose sum is σ = 109221841103040. Its totient is φ = 91018200919180.

The previous prime is 100120021011091. The next prime is 100120021011167. The reversal of 100120021011109 is 901110120021001.

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 100120021011109 - 2¹⁷ = 100120020880037 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 (100120021017109) 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, 4550910045949 + ... + 4550910045970.

It is an arithmetic number, because the mean of its divisors is an integer number (27305460275760).

Almost surely, 2^{100120021011109} is an apocalyptic number.

It is an amenable number.

100120021011109 is a deficient number, since it is larger than the sum of its proper divisors (9101820091931).

100120021011109 is an equidigital number, since it uses as much as digits as its factorization.

100120021011109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101820091930.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 100120021011109 in words is "one hundred trillion, one hundred twenty billion, twenty-one million, eleven thousand, one hundred nine".