2100112001111 has 8 divisors (see below), whose sum is σ = 2121062605200. Its totient is φ = 2079192006720.

The previous prime is 2100112001107. The next prime is 2100112001131. The reversal of 2100112001111 is 1111002110012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100112001111 - 2² = 2100112001107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100112001092 and 2100112001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100112001131) 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, 7514510 + ... + 7788971.

It is an arithmetic number, because the mean of its divisors is an integer number (265132825650).

Almost surely, 2^{2100112001111} is an apocalyptic number.

2100112001111 is a deficient number, since it is larger than the sum of its proper divisors (20950604089).

2100112001111 is a wasteful number, since it uses less digits than its factorization.

2100112001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15304849.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2100112001111 its reverse (1111002110012), we get a palindrome (3211114111123).

It can be divided in two parts, 210011 and 2001111, that added together give a palindrome (2211122).

The spelling of 2100112001111 in words is "two trillion, one hundred billion, one hundred twelve million, one thousand, one hundred eleven".