2100120011101 has 8 divisors (see below), whose sum is σ = 2401875137024. Its totient is φ = 1798799380560.

The previous prime is 2100120011047. The next prime is 2100120011149. The reversal of 2100120011101 is 1011100210012.

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

It is not a de Polignac number, because 2100120011101 - 2⁷ = 2100120010973 is a prime.

It is a super-2 number, since 2×2100120011101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100120012101) 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, 108613485 + ... + 108632818.

It is an arithmetic number, because the mean of its divisors is an integer number (300234392128).

Almost surely, 2^{2100120011101} is an apocalyptic number.

It is an amenable number.

2100120011101 is a deficient number, since it is larger than the sum of its proper divisors (301755125923).

2100120011101 is a wasteful number, since it uses less digits than its factorization.

2100120011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217247691.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2100120011101 its reverse (1011100210012), we get a palindrome (3111220221113).

The spelling of 2100120011101 in words is "two trillion, one hundred billion, one hundred twenty million, eleven thousand, one hundred one".