100120101011 has 8 divisors (see below), whose sum is σ = 115003801440. Its totient is φ = 85381607808.

The previous prime is 100120100989. The next prime is 100120101143. The reversal of 100120101011 is 110101021001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100120101011 - 2⁶ = 100120100947 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 100120101011.

It is not an unprimeable number, because it can be changed into a prime (100120101811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36300326 + ... + 36303083.

It is an arithmetic number, because the mean of its divisors is an integer number (14375475180).

Almost surely, 2^100120101011 is an apocalyptic number.

100120101011 is a deficient number, since it is larger than the sum of its proper divisors (14883700429).

100120101011 is an equidigital number, since it uses as much as digits as its factorization.

100120101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72603613.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100120101011 its reverse (110101021001), we get a palindrome (210221122012).

The spelling of 100120101011 in words is "one hundred billion, one hundred twenty million, one hundred one thousand, eleven".