2012101100111 has 4 divisors (see below), whose sum is σ = 2031636062352. Its totient is φ = 1992566137872.

The previous prime is 2012101100059. The next prime is 2012101100117. The reversal of 2012101100111 is 1110011012102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012101100111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012101100092 and 2012101100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012101100117) 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, 9767480966 + ... + 9767481171.

It is an arithmetic number, because the mean of its divisors is an integer number (507909015588).

Almost surely, 2^{2012101100111} is an apocalyptic number.

2012101100111 is a deficient number, since it is larger than the sum of its proper divisors (19534962241).

2012101100111 is a wasteful number, since it uses less digits than its factorization.

2012101100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19534962240.

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

Adding to 2012101100111 its reverse (1110011012102), we get a palindrome (3122112112213).

The spelling of 2012101100111 in words is "two trillion, twelve billion, one hundred one million, one hundred thousand, one hundred eleven".